CHANGES.txt 139 KB

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  1. Hadoop MapReduce Change Log
  2. Trunk (unreleased changes)
  3. INCOMPATIBLE CHANGES
  4. NEW FEATURES
  5. MAPREDUCE-2669. Add new examples for Mean, Median, and Standard Deviation.
  6. (Plamen Jeliazkov via shv)
  7. IMPROVEMENTS
  8. MAPREDUCE-2887 due to HADOOP-7524 Change RPC to allow multiple protocols
  9. including multuple versions of the same protocol (sanjay Radia)
  10. MAPREDUCE-2934. MR portion of HADOOP-7607 - Simplify the RPC proxy cleanup
  11. process (atm)
  12. MAPREDUCE-2836. Provide option to fail jobs when submitted to non-existent
  13. fair scheduler pools. (Ahmed Radwan via todd)
  14. BUG FIXES
  15. MAPREDUCE-2950. [Gridmix] TestUserResolve fails in trunk.
  16. (Ravi Gummadi via amarrk)
  17. MAPREDUCE-2784. [Gridmix] Bug fixes in ExecutionSummarizer and
  18. ResourceUsageMatcher. (amarrk)
  19. MAPREDUCE-2978. Fixed test-patch to make Jenkins report correct number of
  20. findBugs, correct links to findBugs artifacts and no links to the
  21. artifacts when there are no warnings. (Tom White via vinodkv).
  22. MAPREDUCE-3081. Fix vaidya startup script. (gkesavan via suhas).
  23. Release 0.23.0 - Unreleased
  24. INCOMPATIBLE CHANGES
  25. MAPREDUCE-2455. Remove deprecated JobTracker.State in favour of
  26. JobTrackerStatus. (tomwhite)
  27. MAPREDUCE-2430. Remove mrunit contrib. (nigel via eli)
  28. MAPREDUCE-2606. Remove IsolationRunner. (Alejandro Abdelnur via eli)
  29. NEW FEATURES
  30. MAPREDUCE-2682. Add "mapred classpath" command to print classpath
  31. for MR applications. (vinodkv via acmurthy)
  32. MAPREDUCE-2107. [Gridmix] Total heap usage emulation in Gridmix.
  33. (Amar Kamat and Ravi Gummadi via amarrk)
  34. MAPREDUCE-2106. [Gridmix] Cumulative CPU usage emulation in Gridmix.
  35. (amarrk)
  36. MAPREDUCE-2543. [Gridmix] High-Ram feature emulation in Gridmix. (amarrk)
  37. MAPREDUCE-2408. [Gridmix] Compression emulation in Gridmix. (amarrk)
  38. MAPREDUCE-2473. Add "mapred groups" command to query the server-side groups
  39. resolved for a user. (Aaron T. Myers via todd)
  40. MAPREDUCE-461. Enable ServicePlugins for the JobTracker.
  41. (Fredrik Hedberg via tomwhite)
  42. MAPREDUCE-2521. Create RPM and Debian packages for MapReduce. Changes
  43. deployment layout to be consistent across the binary tgz, rpm, and deb.
  44. (Eric Yang via omalley)
  45. MAPREDUCE-2323. Add metrics to the fair scheduler. (todd)
  46. MAPREDUCE-2037. Capture intermediate progress, CPU and memory usage for
  47. tasks. (Dick King via acmurthy)
  48. MAPREDUCE-2930. Added the ability to be able to generate graphs from the
  49. state-machine definitions. (Binglin Chang via vinodkv)
  50. MAPREDUCE-2719. Add a simple, DistributedShell, application to illustrate
  51. alternate frameworks on YARN. (Hitesh Shah via acmurthy)
  52. IMPROVEMENTS
  53. MAPREDUCE-2187. Reporter sends progress during sort/merge. (Anupam Seth via
  54. acmurthy)
  55. MAPREDUCE-2365. Add counters to track bytes (read,written) via
  56. File(Input,Output)Format. (Siddharth Seth via acmurthy)
  57. MAPREDUCE-2680. Display queue name in job client CLI. (acmurthy)
  58. MAPREDUCE-2679. Minor changes to sync trunk with MR-279 branch. (acmurthy)
  59. MAPREDUCE-2400. Remove Cluster's dependency on JobTracker via a
  60. ServiceProvider for the actual implementation. (tomwhite via acmurthy)
  61. MAPREDUCE-2596. [Gridmix] Summarize Gridmix runs. (amarrk)
  62. MAPREDUCE-2563. [Gridmix] Add High-Ram emulation system tests to
  63. Gridmix. (Vinay Kumar Thota via amarrk)
  64. MAPREDUCE-2104. [Rumen] Add Cpu, Memory and Heap usages to
  65. TraceBuilder's output. (amarrk)
  66. MAPREDUCE-2554. [Gridmix] Add distributed cache emulation system tests
  67. to Gridmix. (Vinay Kumar Thota via amarrk)
  68. MAPREDUCE-2543. [Gridmix] High-Ram feature emulation testcase. (amarrk)
  69. MAPREDUCE-2469. Task counters should also report the total heap usage of
  70. the task. (Ravi Gummadi and Amar Ramesh Kamat via amarrk)
  71. MAPREDUCE-2544. [Gridmix] Add compression emulation system tests to
  72. Gridmix. (Vinay Kumar Thota via amarrk)
  73. MAPREDUCE-2517. [Gridmix] Add system tests to Gridmix.
  74. (Vinay Kumar Thota via amarrk)
  75. MAPREDUCE-2492. The new MapReduce API should make available task's
  76. progress to the task. (amarrk)
  77. MAPREDUCE-2153. Bring in more job configuration properties in to the trace
  78. file. (Rajesh Balamohan via amarrk)
  79. MAPREDUCE-1461. Feature to instruct rumen-folder utility to skip jobs worth
  80. of specific duration. (Rajesh Balamohan via amarrk)
  81. MAPREDUCE-2172. Added test-patch.properties required by test-patch.sh
  82. (nigel)
  83. MAPREDUCE-2156. Raid-aware FSCK. (Patrick Kling via dhruba)
  84. MAPREDUCE-2215. A more elegant FileSystem#listCorruptFileBlocks API
  85. (RAID changes) (Patrick Kling via hairong)
  86. MAPREDUCE-1831. BlockPlacement policy for HDFS-RAID.
  87. (Scott Chen via dhruba)
  88. MAPREDUCE-1906. Lower minimum heartbeat interval for TaskTracker
  89. (Scott Carey and Todd Lipcon via todd)
  90. MAPREDUCE-1382. MRAsyncDiscService should tolerate missing local.dir.
  91. (Zheng Shao and tomwhite via tomwhite)
  92. MAPREDUCE-2263. MapReduce side of HADOOP-6904: RPC compatibility.
  93. (hairong)
  94. MAPREDUCE-1706. Log RAID recoveries on HDFS. (schen)
  95. MAPREDUCE-2334. Update BlockPlacementPolicyRaid for the new method
  96. in BlockPlacementPolicy. (szetszwo)
  97. MAPREDUCE-2254. Allow setting of end-of-record delimiter for
  98. TextInputFormat (Ahmed Radwan via todd)
  99. MAPREDUCE-1927. Unit test for HADOOP-6835 (concatenated gzip support).
  100. (Greg Roelofs via tomwhite)
  101. MAPREDUCE-2206. The task-cleanup tasks should be optional. (schen)
  102. MAPREDUCE-2225. MultipleOutputs should not require the use of 'Writable'.
  103. (Harsh J Chouraria via tomwhite)
  104. MAPREDUCE-1811. Job.monitorAndPrintJob() should print status of the job
  105. at completion. (Harsh J Chouraria via tomwhite)
  106. MAPREDUCE-993. bin/hadoop job -events <jobid> <from-event-#> <#-of-events>
  107. help message is confusing. (Harsh J Chouraria via tomwhite)
  108. MAPREDUCE-2302. Add static factory methods in GaloisField. (schen)
  109. MAPREDUCE-2351. mapred.job.tracker.history.completed.location should
  110. support an arbitrary filesystem URI. (tomwhite)
  111. MAPREDUCE-2239. BlockPlacementPolicyRaid should call getBlockLocations
  112. only when necessary. (schen)
  113. MAPREDUCE-2331. Add coverage of task graph servlet to fair scheduler system
  114. test. (todd)
  115. MAPREDUCE-2367. Allow using a file to exclude certain tests from build.
  116. (todd)
  117. MAPREDUCE-2202. Generalize CLITest structure and interfaces to faciliate
  118. upstream adoption (e.g. for web or system testing). (cos)
  119. MAPREDUCE-2420. JobTracker should be able to renew delegation token over
  120. HTTP (Boris Shkolnik via jitendra)
  121. MAPREDUCE-2474. Add docs to the new API Partitioner on how to access the
  122. Job Configuration. (Harsh J Chouraria via todd)
  123. MAPREDUCE-2475. Disable IPV6 for junit tests. (suresh srinivas via mahadev)
  124. MAPREDUCE-2422. Removed unused internal methods from DistributedCache.
  125. (tomwhite)
  126. MAPREDUCE-2456. Log the reduce taskID and associated TaskTrackers with
  127. failed fetch notifications in the JobTracker log.
  128. (Jeffrey Naisbitt via cdouglas)
  129. MAPREDUCE-869. Documentation for config to set map/reduce task environment
  130. (Alejandro Abdelnur via todd)
  131. MAPREDUCE-2410. Add entry to streaming FAQ about how streaming reducers
  132. receive keys. (Harsh J Chouraria via todd)
  133. MAPREDUCE-2499. MR part of HADOOP-7291. (eli)
  134. MAPREDUCE-2497. Missing spaces in error messages. (eli)
  135. MAPREDUCE-2502. JobSubmitter should use mapreduce.job.maps instead of
  136. its deprecated equivalent. (eli via todd)
  137. MAPREDUCE-2381. JobTracker instrumentation not consistent about error
  138. handling. (Philip Zeyliger via tomwhite)
  139. MAPREDUCE-2449. Allow for command line arguments when performing
  140. "Run on Hadoop" action in Eclipse plugin. (Jeff Zemerick via todd)
  141. MAPREDUCE-2483. Remove duplication of jars between Hadoop subprojects
  142. from build artifacts. (Eric Yang via omalley)
  143. MAPREDUCE-2372. TaskLogAppender mechanism shouldn't be set up in
  144. log4j.properties (todd)
  145. MAPREDUCE-2516. Rename webinterface.private.actions to
  146. mapreduce.jobtracker.webinterface.trusted (Ari Rabkin via todd)
  147. MAPREDUCE-2459. Cache HAR filesystem metadata. (Mac Yang via mahadev)
  148. HADOOP-7259. Contrib modules should include the build.properties from
  149. the enclosing hadoop directory. (omalley)
  150. MAPREDUCE-2494. Order distributed cache deletions by LRU. (Robert Joseph
  151. Evans via cdouglas)
  152. MAPREDUCE-2452. Makes the cancellation of delegation tokens happen in a
  153. separate thread. (ddas)
  154. HADOOP-7106. Reorganize project SVN layout to "unsplit" the projects.
  155. (todd, nigel)
  156. MAPREDUCE-2249. Check the reflexive property of Counters objects when
  157. comparing equality. (Devaraj K via todd)
  158. MAPREDUCE-2623. Update ClusterMapReduceTestCase to use
  159. MiniDFSCluster.Builder (Harsh J Chouraria via eli)
  160. MAPREDUCE-2602. Allow setting of end-of-record delimiter for
  161. TextInputFormat for the old API. (Ahmed Radwan via todd)
  162. MAPREDUCE-2705. Permits parallel multiple task launches.
  163. (Thomas Graves via ddas)
  164. MAPREDUCE-2489. Jobsplits with random hostnames can make the queue
  165. unusable (jeffrey naisbit via mahadev)
  166. MAPREDUCE-2854. update INSTALL with config necessary run mapred on yarn.
  167. (thomas graves via mahadev)
  168. MAPREDUCE-2701. app/Job.java needs UGI for the user that launched it.
  169. (Robert Evans via mahadev)
  170. MAPREDUCE-2652. Enabled multiple NMs to be runnable on a single node by
  171. making shuffle service port to be truely configurable. (Robert Evans via
  172. vinodkv)
  173. MAPREDUCE-2735. Add an applications summary log to ResourceManager.
  174. (Thomas Graves via acmurthy)
  175. MAPREDUCE-2697. Enhance CapacityScheduler to cap concurrently running
  176. applications per-queue & per-user. (acmurthy)
  177. Configuration changes:
  178. add yarn.capacity-scheduler.maximum-am-resource-percent
  179. MAPREDUCE-2774. Add startup message to ResourceManager & NodeManager on
  180. startup. (Venu Gopala Rao via acmurthy)
  181. MAPREDUCE-2655. Add audit logs to ResourceManager and NodeManager. (Thomas
  182. Graves via acmurthy)
  183. MAPREDUCE-2864. Normalize configuration variable names for YARN. (Robert
  184. Evans via acmurthy)
  185. MAPREDUCE-2690. Web-page for FifoScheduler. (Eric Payne via acmurthy)
  186. MAPREDUCE-2711. Update TestBlockPlacementPolicyRaid for the new namesystem
  187. and block management APIs. (szetszwo)
  188. MAPREDUCE-2933. Change allocate call to return ContainerStatus for
  189. completed containers rather than Container. (acmurthy)
  190. MAPREDUCE-2675. Reformat JobHistory Server main page to be more
  191. useful. (Robert Joseph Evans via vinodkv).
  192. MAPREDUCE-2896. Simplify all apis to in
  193. org.apache.hadoop.yarn.api.records.* to be get/set only. Added javadocs to
  194. all public records. (acmurthy)
  195. MAPREDUCE-2676. MR-279: JobHistory Job page needs reformatted. (Robert Evans via
  196. mahadev)
  197. MAPREDUCE-2899. Replace major parts of ApplicationSubmissionContext with a
  198. ContainerLaunchContext (Arun Murthy via mahadev)
  199. MAPREDUCE-2966. Added ShutDown hooks for MRV2 processes so that they can
  200. gracefully exit. (Abhijit Suresh Shingate via vinodkv)
  201. MAPREDUCE-2672. MR-279: JobHistory Server needs Analysis this job.
  202. (Robert Evans via mahadev)
  203. MAPREDUCE-2965. Streamlined the methods hashCode(), equals(), compareTo()
  204. and toString() for all IDs. (Siddharth Seth via vinodkv)
  205. MAPREDUCE-2726. Added job-file to the AM and JobHistoryServer web
  206. interfaces. (Jeffrey Naisbitt via vinodkv)
  207. MAPREDUCE-3055. Simplified ApplicationAttemptId passing to
  208. ApplicationMaster via environment variable. (vinodkv)
  209. MAPREDUCE-3092. Removed a special comparator for JobIDs in JobHistory as
  210. JobIDs are already comparable. (Devaraj K via vinodkv)
  211. MAPREDUCE-3099. Add docs for setting up a single node MRv2 cluster.
  212. (mahadev)
  213. MAPREDUCE-3001. Added task-specific counters to AppMaster and JobHistory
  214. web-UIs. (Robert Joseph Evans via vinodkv)
  215. MAPREDUCE-3098. Fixed RM and MR AM to report YarnApplicationState and
  216. application's FinalStatus separately. (Hitesh Shah via vinodkv)
  217. MAPREDUCE-2889. Added documentation for writing new YARN applications.
  218. (Hitesh Shah via acmurthy)
  219. MAPREDUCE-3134. Added documentation the CapacityScheduler. (acmurthy)
  220. MAPREDUCE-3138. Add a utility to help applications bridge changes in
  221. Context Objects APIs due to MAPREDUCE-954. (omalley via acmurthy)
  222. MAPREDUCE-3013. Removed YarnConfiguration.YARN_SECURITY_INFO and its usage
  223. as it doesn't affect security any more. (vinodkv)
  224. MAPREDUCE-2907. Changed log level for various messages in ResourceManager
  225. from INFO to DEBUG. (Ravi Prakash via vinodkv)
  226. OPTIMIZATIONS
  227. MAPREDUCE-2026. Make JobTracker.getJobCounters() and
  228. JobInProgress.getCounters() aquire locks in a shorter time period.
  229. (Joydeep Sen Sarma via schen)
  230. MAPREDUCE-2740. MultipleOutputs in new API creates needless
  231. TaskAttemptContexts. (todd)
  232. MAPREDUCE-901. Efficient framework counters. (llu via acmurthy)
  233. MAPREDUCE-2880. Improve classpath-construction for mapreduce AM and
  234. containers. (Arun C Murthy via vinodkv)
  235. BUG FIXES
  236. MAPREDUCE-2603. Disable High-Ram emulation in system tests.
  237. (Vinay Kumar Thota via amarrk)
  238. MAPREDUCE-2539. Fixed NPE in getMapTaskReports in JobClient. (Robert Evans via
  239. acmurthy)
  240. MAPREDUCE-1978. Rumen TraceBuilder should provide recursive
  241. input folder scanning.
  242. MAPREDUCE-2416. Remove the restriction of specifying group names in
  243. users-list file for Gridmix in RoundRobinUserResolver mode.
  244. MAPREDUCE-2417. Fix Gridmix in RoundRobinUserResolver mode to
  245. map testing/proxy users to unique users in a trace.
  246. MAPREDUCE-2307. Exception thrown in Jobtracker logs, when the Scheduler
  247. configured is FairScheduler. (Devaraj K via matei)
  248. MAPREDUCE-2199. build is broken 0.22 branch creation. (cos)
  249. MAPREDUCE-1752. Implement getFileBlockLocations in HarFilesystem.
  250. (Patrick Kling via dhruba)
  251. MAPREDUCE-2155. RaidNode should optionally use the mapreduce jobs to
  252. fix missing blocks. (Patrick Kling via dhruba)
  253. MAPREDUCE-1334. Fix TestIndexUpdater by ignoring _SUCCESS file in HDFS.
  254. (Kay Kay via yhemanth)
  255. MAPREDUCE-2232. Add missing methods to TestMapredGroupMappingServiceRefresh.
  256. (Todd Lipcon via eli)
  257. MAPREDUCE-2271. Fix TestSetupTaskScheduling failure on trunk.
  258. (Liyin Liang via todd)
  259. MAPREDUCE-2290. Fix compilation error in TestTaskCommit. (eli)
  260. MAPREDUCE-2294. Fix compilation error in mumak. (todd)
  261. MAPREDUCE-2300. Fix TestUmbilicalProtocolWithJobToken on trunk after
  262. HADOOP-6904. (todd)
  263. MAPREDUCE-2296. Fix references to misspelled method name
  264. getProtocolSigature (todd)
  265. MAPREDUCE-2311. Fix TestFairScheduler failure (schen)
  266. MAPREDUCE-1996. API: Reducer.reduce() method detail misstatement.
  267. (Harsh J Chouraria via tomwhite)
  268. MAPREDUCE-2203. Wrong javadoc for TaskRunner's appendJobJarClasspaths
  269. method. (Jingguo Yao via tomwhite)
  270. MAPREDUCE-2074. Task should fail when symlink creation fails.
  271. (Priyo Mustafi via tomwhite)
  272. MAPREDUCE-1242. Chain APIs error misleading.
  273. (Harsh J Chouraria via tomwhite)
  274. MAPREDUCE-2379. Adds missing DistributedCache configurations in
  275. mapred-default.xml (Todd Lipcon via amareshwari)
  276. MAPREDUCE-2348. Disable mumak tests on trunk since they currently time out
  277. (todd)
  278. MAPREDUCE-2395. TestBlockFixer timing out on trunk. (Ramkumar Vadali via
  279. todd)
  280. MAPREDUCE-2426. Make TestFairSchedulerSystem fail with more verbose output
  281. (todd)
  282. MAPREDUCE-2448. NoSuchMethodError:
  283. org.apache.hadoop.hdfs.TestDatanodeBlockScanner.corruptReplica(..) (eli)
  284. MAPREDUCE-2460. Fix flaky test TestFairSchedulerSystem. (todd)
  285. MAPREDUCE-2451. Log the details from health check script at the
  286. JobTracker. (Thomas Graves via cdouglas)
  287. MAPREDUCE-2467. HDFS-1052 changes break the raid contrib module in
  288. MapReduce. (suresh srinivas via mahadev)
  289. MAPREDUCE-2258. IFile reader closes stream and compressor in wrong order.
  290. (todd via tomwhite)
  291. MAPREDUCE-2518. The t flag is missing in distcp help message. (Wei Yongjun
  292. via szetszwo)
  293. MAPREDUCE-2514. Fix typo in TaskTracker ReinitTrackerAction log message.
  294. (Jonathan Eagles via cdouglas)
  295. MAPREDUCE-2490. Add logging to graylist and blacklist activity to aid
  296. diagnosis of related issues. (Jonathan Eagles via cdouglas)
  297. MAPREDUCE-2495. exit() the TaskTracker when the distributed cache cleanup
  298. thread dies. (Robert Joseph Evans via cdouglas)
  299. MAPREDUCE-2470. Fix NPE in RunningJobs::getCounters. (Robert Joseph Evans
  300. via cdouglas)
  301. MAPREDUCE-2536. Update FsShell -mv command usage in TestMRCLI. (Daryn
  302. Sharp via szetszwo)
  303. MAPREDUCE-2529. Add support for regex-based shuffle metric counting
  304. exceptions. (Thomas Graves via cdouglas)
  305. MAPREDUCE-2559. ant binary fails due to missing c++ lib dir. (eli)
  306. MAPREDUCE-2573. Fix new findbugs warning introduced by MAPREDUCE-2494.
  307. (Robert Joseph Evans via todd)
  308. MAPREDUCE-2581. Spelling errors in log messages. (Tim Sell via eli)
  309. MAPREDUCE-2588. Change raid to the new DataTransferProtocol API. (szetszwo)
  310. MAPREDUCE-2576. Typo in comment in SimulatorLaunchTaskAction.java.
  311. (Tim Sell via jghoman)
  312. MAPREDUCE-2550. Fix bin/mapred to work properly from within a source
  313. checkout (Eric Yang via todd)
  314. MAPREDUCE-2620. Update RAID for HDFS-2087. (szetszwo)
  315. MAPREDUCE-2624. Update RAID for HDFS-2107. (szetszwo)
  316. MAPREDUCE-2670. Fixing spelling mistake in FairSchedulerServlet.java. (eli)
  317. MAPREDUCE-2710. Update JobSubmitter.printTokens(..) for HDFS-2161.
  318. (szetszwo)
  319. MAPREDUCE-2409. DistributedCache maps files and archives to the same path,
  320. despite semantic incompatibility. (Siddharth Seth via cdouglas)
  321. MAPREDUCE-2575. TestMiniMRDFSCaching fails if test.build.dir is set
  322. to something other than build/test (Thomas Graves via mahadev)
  323. MAPREDUCE-2622. Remove the last remaining reference to the deprecated
  324. configuration "io.sort.mb". (Harsh J Chouraria via todd)
  325. MAPREDUCE-2732. Remove directly accessing FSNamesystem.LOG from
  326. TestCopyFiles and TestDistCh. (szetszwo)
  327. MAPREDUCE-2463. Job history files are not moved to done folder when job
  328. history location is hdfs. (Devaraj K via szetszwo)
  329. MAPREDUCE-2243. Close streams propely in a finally-block to avoid leakage
  330. in CompletedJobStatusStore, TaskLog, EventWriter and TotalOrderPartitioner.
  331. (Devaraj K via szetszwo)
  332. MAPREDUCE-2741. Make ant build system work with hadoop-common JAR
  333. generated by Maven. (Alejandro Abdelnur via tomwhite)
  334. MAPREDUCE-2760. mapreduce.jobtracker.split.metainfo.maxsize typoed
  335. in mapred-default.xml. (todd via eli)
  336. MAPREDUCE-2797. Update mapreduce tests and RAID for HDFS-2239. (szetszwo)
  337. MAPREDUCE-2805. Update RAID for HDFS-2241. (szetszwo)
  338. MAPREDUCE-2837. Ported bug fixes from y-merge to prepare for MAPREDUCE-279
  339. merge. (acmurthy)
  340. MAPREDUCE-2541. Fixed a race condition in IndexCache.removeMap. (Binglin
  341. Chang via acmurthy)
  342. MAPREDUCE-2458. Rename sanitized pom.xml in build directory to work around IDE
  343. bug (Luke Lu via mahadev)
  344. MAPREDUCE-279. Fix in MR-279 branch. Clear application notification if sent once
  345. to NodeManager (mahadev)
  346. MAPREDUCE-2433. YARNApplicationConstants hard code app master jar version (Luke
  347. Lu via mahadev)
  348. MAPREDUCE-279. Fix in MR-279 branch. Implement restart for resource manager
  349. phase 1 - Helper classes to store and restore the data structures. (mahadev)
  350. MAPREDUCE-2414. Change MRv2 to use generic interfaces. (Siddharth Seth via
  351. acmurthy)
  352. MAPREDUCE-279. Fix in MR-279 branch. Implement health-checks for the node -
  353. server side(ResourceManager) changes. (vinodkv)
  354. MAPREDUCE-2405: Implement uber-AppMaster (in-cluster LocalJobRunner for MRv2)
  355. (Greg Roelofs via mahadev)
  356. MAPREDUCE-279. Fix in MR-279 branch. Implementing Containers' memory monitoring.
  357. (vinodkv)
  358. MAPREDUCE-2440. Name clashes in TypeConverter (luke via mahadev)
  359. MAPREDUCE-279. Fix in MR-279 branch. Add fail count to the command line of the
  360. application master. (mahadev)
  361. MAPREDUCE-2424. Polish uber-AppMaster: add uber-AM counters and GUI indicators.
  362. (Greg Roelofs via mahadev)
  363. MAPREDUCE-2405. Implement uber-AppMaster (in-cluster LocalJobRunner for MRv2).
  364. (Greg Roelofs and Sharad Agarwal via mahadev)
  365. MAPREDUCE-279. Fix in MR-279 branch. Fix YarnRemoteException to give more
  366. details. (Siddharth Seth via mahadev)
  367. MAPREDUCE-279. Fix in MR-279 branch. WebApp for Job History (Krishna
  368. Ramachandran via mahadev)
  369. MAPREDUCE-279. Fix in MR-279 branch. Install sanitized poms for downstream
  370. sanity (Luke Lu via mahadev)
  371. MAPREDUCE-279. Fix in MR-279 branch. Add HistoryCleanerService to Job History
  372. server. (Krishna Ramachandran via sharad)
  373. MAPREDUCE-279. Fix in MR-279 branch. Implement 'bin/mapred job -list' and
  374. 'bin/mapred job -list-active-trackers'. (acmurthy)
  375. MAPREDUCE-279. Fix in MR-279 branch. Implement 'bin/mapred queue [-info
  376. [-showJobs]] [-list] and enhanced 'bin/mapred job -list' to show queue and
  377. ApplicationMaster information. (acmurthy)
  378. MAPREDUCE-279. Fix in MR-279 branch. Fixed computation of user-limits at
  379. runtime. (acmurthy)
  380. MAPREDUCE-279. Fix in MR-279 branch. Added functionality to refresh queues at
  381. runtime via the 'bin/yarn rmadmin' command. (acmurthy)
  382. MAPREDUCE-279. Fix in MR-279 branch. Added functionality to stop/start queues.
  383. (acmurthy)
  384. MAPREDUCE-279. Fix in MR-279 branch. Introducing web-UI for NodeManager and
  385. linking it from RM UI. (vinodkv)
  386. MAPREDUCE-279. Fix in MR-279 branch. Fix race condition in TestJobHistoryEvents
  387. and TestJobHistoryParsing. (sharad)
  388. MAPREDUCE-279. Fix in MR-279 branch. Add Containers' logs' view to NM UI and
  389. link it from AM UI. (vinodkv)
  390. MAPREDUCE-279. Fix in MR-279 branch. Add ACLs for queues and command-line
  391. utilities for viewing them. (acmurthy)
  392. MAPREDUCE-279. Fix in MR-279 branch. Recovery of MR Application Master from
  393. failures. (sharad)
  394. MAPREDUCE-279. Fix in MR-279 branch. Added support High-RAM applications in
  395. CapacityScheduler. (acmurthy)
  396. MAPREDUCE-279. Fix in MR-279 branch. Completing the ZooKeeper Store for
  397. ResourceManager state. (mahadev)
  398. MAPREDUCE-279. Fix in MR-279 branch. Reorient container localization to be
  399. per-container rather than per-application. (cdouglas)
  400. MAPREDUCE-279. Fix in MR-279 branch. Fix file creation in
  401. JobHistoryEventHandler. (sharad)
  402. MAPREDUCE-279. Fix in MR-279 branch. Disable ContainerMonitoring for non-linux
  403. systems. (vinodkv)
  404. MAPREDUCE-279. Fix in MR-279 branch. Fix container launch w/ inconsistent
  405. credential file naming. (cdouglas)
  406. MAPREDUCE-2434. Metrics for ResourceManager. (Luke Lu via acmurthy)
  407. MAPREDUCE-279. Fix in MR-279 branch. RM Restart Phase 2 - Completed the recovery
  408. of components in the RM (mahadev)
  409. MAPREDUCE-279. Fix in MR-279 branch. Fix to send finish application event only
  410. when the application is finished (mahadev)
  411. MAPREDUCE-2462. Write job conf along with JobHistory, other minor improvements.
  412. (Siddharth Seth via sharad)
  413. MAPREDUCE-279. Fix in MR-279 branch. Implement 'delay scheduling' for better
  414. locality in CapacityScheduler and improved high-ram applications. (acmurthy)
  415. MAPREDUCE-279. Fix in MR-279 branch. Implement Job Acls in MR Application
  416. Master. (sharad)
  417. MAPREDUCE-279. Fix in MR-279 branch. Moving userlogs out of container work-dir
  418. into a separate directory structure. (vinodkv)
  419. MAPREDUCE-279. Fix in MR-279 branch. Completing RM Restart. Completed Phase 3 of
  420. making sure events are logged and restored (mahadev)
  421. MAPREDUCE-2468. Add metrics for NM Shuffle. (Luke Lu via cdouglas)
  422. MAPREDUCE-279. Fix in MR-279 branch. Adding user log handling for YARN. Making
  423. NM put the user-logs on DFS and providing log-dump tools. (vinodkv)
  424. MAPREDUCE-279. Fix in MR-279 branch. Fixing three tight-loops in RM that are
  425. causing high cpu-usage. (vinodkv)
  426. MAPREDUCE-279. Fix in MR-279 branch. Replacing FileContext usage with FileSystem
  427. to work around security authentication issues with FileContext against a secure
  428. DFS. (vinodkv)
  429. MAPREDUCE-279. Fix in MR-279 branch. Client reconnect to restarted AM. (sharad)
  430. MAPREDUCE-279. Fix in MR-279 branch. Fix refreshProxy in ClientServiceDelegate.
  431. (sharad)
  432. MAPREDUCE-279. Fix in MR-279 branch. Fix Null Pointer in TestUberAM. (sharad)
  433. MAPREDUCE-2478. Improve history server. (Siddharth Seth via sharad)
  434. MAPREDUCE-279. Fix in MR-279 branch. Improved TestJobHistoryEvents and
  435. TestJobHistoryParsing. (sharad)
  436. MAPREDUCE-279. Fix in MR-279 branch. Fix NM to use multiple disks for local
  437. files and the userlogs. (vinodkv)
  438. MAPREDUCE-2480: MR App should not depend on hard coded version of shuffle (luke
  439. lu via mahadev)
  440. MAPREDUCE-279. Fix in MR-279 branch. Propagate error back to client in case of a
  441. job submission failure (mahadev)
  442. MAPREDUCE-279. Fix in MR-279 branch. Fix assembly to add mapreduce shell scripts
  443. to the assembly package. (mahadev)
  444. MAPREDUCE-279. Fix in MR-279 branch. Fix TestQueueMetrics. (Luke Lu via sharad)
  445. MAPREDUCE-279. Fix in MR-279 branch. Removal of stale application-log dirs from
  446. NM local disks. (vinodkv)
  447. MAPREDUCE-279. Fix in MR-279 branch. Add license header and minor cleanup in
  448. history server. (Siddharth Seth via sharad)
  449. MAPREDUCE-279. Fix in MR-279 branch. Minor fix for install instructions.
  450. (mahadev)
  451. MAPREDUCE-279. Fix in MR-279 branch. Fix a race in MR task that was causing MR
  452. containers to overwrite each other's job.xml. Also fix leaking attempt-dirs in
  453. app-local-dir. (vinodkv)
  454. MAPREDUCE-279. Fix in MR-279 branch. Adding valid state to ASM on a finish when
  455. its already completed and also disble UberAM. (mahadev)
  456. MAPREDUCE-279. Fix in MR-279 branch. Fixed CS user limits. (acmurthy)
  457. MAPREDUCE-279. Fix in MR-279 branch. Fixed reservation's bad interaction with
  458. delay scheduling in CS. (acmurthy)
  459. MAPREDUCE-279. Fix in MR-279 branch. Support mapreduce old (0.20) APIs. (sharad)
  460. MAPREDUCE-279. Fix in MR-279 branch. Support fail-fast for MR jobs. (ddas)
  461. MAPREDUCE-279. Fix in MR-279 branch. Fix for clearing container requests on an
  462. AM failure and add tostring methods to taskids and taskattemptids for better
  463. grep support. (mahadev)
  464. MAPREDUCE-279. Fix in MR-279 branch. Speed up communication between MR AM and RM
  465. by relying on a new config rather than AM_EXPIRY_INTERVAL which is too large.
  466. (acmurthy)
  467. MAPREDUCE-279. Fix in MR-279 branch. Fix calculation of maximum capacity to use
  468. parent's absolute-capacity rather than the leaf queue's absolute-capacity.
  469. (acmurthy)
  470. MAPREDUCE-279. Fix in MR-279 branch. Fixing a bug in JobIDPbImpl that's causing
  471. AM to crash randomly. (vinodkv)
  472. MAPREDUCE-279. Fix in MR-279 branch. Fix calculation of maximum capacity in
  473. ParentQueue to use its parent's absolute-capacity rather than its own
  474. absolute-capacity. (acmurthy)
  475. MAPREDUCE-279. Fix in MR-279 branch. Launching bin/yarn and bin/mapred only
  476. *once* in AM for constructing classpaths to avoid multiple forks and huge vmem
  477. usage by AM. (vinodkv)
  478. MAPREDUCE-279. Fix in MR-279 branch. Fix CapacityScheduler to release unused
  479. reservations on application completion. (acmurthy)
  480. MAPREDUCE-279. Fix in MR-279 branch. Fix CapacityScheduler (LeafQueue) to not
  481. allocate DATA_LOCAL containers when they are not required on the rack.
  482. (acmurthy)
  483. MAPREDUCE-279. Fix in MR-279 branch. Makes uber-task disabled by default (ddas)
  484. MAPREDUCE-279. Fix in MR-279 branch. Make logging and memory for AM configurable
  485. for the user via command line (mahadev)
  486. MAPREDUCE-279. Fix in MR-279 branch. Fixing a bug in previous patch (r1103657).
  487. Now bin/yarn truly shouldn't be launched multiple times in a single AM.
  488. (vinodkv)
  489. MAPREDUCE-279. Fix in MR-279 branch. Fixing a bug to do with setting the staging
  490. dir. (ddas)
  491. MAPREDUCE-279. Fix in MR-279 branch. Fixed Composite Service to shutdown
  492. services if an error occurs on starting any one of those (mahadev & chris)
  493. MAPREDUCE-279. Fix in MR-279 branch. Fix the tests to use jvm fork mode to avoid
  494. errors in shutting down services (sidharth seth)
  495. MAPREDUCE-2500. PB factories are not thread safe (Siddharth Seth via mahadev)
  496. MAPREDUCE-2504. race in JobHistoryEventHandler stop (Siddharth Seth via mahadev)
  497. MAPREDUCE-279. Fix in MR-279 branch. Fix job hang if the AM launch fails.
  498. (mahadev)
  499. MAPREDUCE-2509. Fix NPE in UI for pending attempts. (Luke Lu via mahadev)
  500. MAPREDUCE-279. Fix in MR-279 branch. Add junit jar to lib in assembly (mahadev
  501. and luke)
  502. MAPREDUCE-279. Fix in MR-279 branch. Distributed cache bug fix to pass Terasort.
  503. (vinodkv)
  504. MAPREDUCE-279. Fix in MR-279 branch. Fix null pointer exception in kill task
  505. attempt (mahadev)
  506. MAPREDUCE-279. Fix in MR-279 branch. Refactored RMContainerAllocator to release
  507. unused containers. (sharad)
  508. MAPREDUCE-279. Fix in MR-279 branch. Changed Scheduler to return available limit
  509. to AM in the allocate api. (acmurthy)
  510. MAPREDUCE-279. Fix in MR-279 branch. Fix nodemanager expiry to not throw OOM.
  511. (mahadev)
  512. MAPREDUCE-279. Fix in MR-279 branch. Use DefaultContainerExecutor for
  513. integration tests. (cdouglas)
  514. MAPREDUCE-279. Fix in MR-279 branch. Fix NPE in test case (mahadev)
  515. MAPREDUCE-279. Fix in MR-279 branch. Fix for regression on the scheduling of
  516. reduces before maps are done (ddas)
  517. MAPREDUCE-279. Fix in MR-279 branch. Fix distributed-cache related bugs.
  518. (vinodkv)
  519. MAPREDUCE-279. Fix in MR-279 branch. Ensure unused containers released by AM are
  520. correctly counted for queue-capacity. (acmurthy)
  521. MAPREDUCE-279. Fix in MR-279 branch. Fix TestRuntimeEstimators (Siddharth Seth
  522. via ddas)
  523. MAPREDUCE-279. Fix in MR-279 branch. Fix queue refresh to correctly record newly
  524. added queues in CapacityScheduler. (acmurthy)
  525. MAPREDUCE-279. Fix in MR-279 branch. Added metrics for tracking reservations in
  526. CapacityScheduler. (Luke Lu via acmurthy)
  527. MAPREDUCE-2522. Security for JobHistory service. (Siddharth Seth via mahadev)
  528. MAPREDUCE-2534. Fix CI breaking hard coded version in jobclient pom. (Luke Lu
  529. via mahadev)
  530. MAPREDUCE-279. Fix in MR-279 branch. Add public cache. (cdouglas)
  531. MAPREDUCE-279. Fix in MR-279 branch. Made number of RPC server threads
  532. configurable. (acmurthy)
  533. MAPREDUCE-279. Fix in MR-279 branch. Added acl check for RMAdmin. (acmurthy)
  534. MAPREDUCE-279. Fix in MR-279 branch. Adding job kill for any state that the job
  535. is in with access control. (mahadev)
  536. MAPREDUCE-279. Fix in MR-279 branch. Add debug statements for AM not launching
  537. (mahadev)
  538. MAPREDUCE-279. Fix in MR-279 branch. Fixing race condition leader to hung jobs
  539. in scheduler negotiator (mahadev)
  540. MAPREDUCE-279. Fix in MR-279 branch. Add debug config for delaying delete of
  541. local files. (cdouglas)
  542. MAPREDUCE-2527. Metrics for MRAppMaster (Luke lu via mahadev)
  543. MAPREDUCE-2532. Metrics for NodeManager (Luke Lu via mahadev)
  544. MAPREDUCE-279. Fix in MR-279 branch. Fixed an NPE during handling of unnecessary
  545. reservations in CS. (acmurthy)
  546. MAPREDUCE-279. Fix in MR-279 branch. Fix for public dist cache to work with non
  547. default hdfs (mahadev &ddas)
  548. MAPREDUCE-279. Fix in MR-279 branch. Making streaming -file option work. Also
  549. minor fixes for successful compilation of contrib tests. (vinodkv)
  550. MAPREDUCE-2536. Backporting changes to MR-279.
  551. MAPREDUCE-279. Fix in MR-279 branch. Bugfix for using user staging directory for
  552. history files (Siddharth Seth via mahadev)
  553. MAPREDUCE-279. Fix in MR-279 branch. First fix for making basic speculative
  554. execution work (ddas)
  555. MAPREDUCE-279. Fix in MR-279 branch. Fixes for TestFail/Kill (ddas)
  556. MAPREDUCE-279. Fix in MR-279 branch. Set correct version of avro-maven-plugin
  557. that is available in apache maven repositories. (vinodkv)
  558. MAPREDUCE-279. Fix in MR-279 branch. Fixing and reneabling
  559. TestContainerTokenSecretManager. (vinodkv)
  560. MAPREDUCE-279. Fix in MR-279 branch. Cleaning up configuration constants in
  561. mapreduce modules. (vinodkv)
  562. MAPREDUCE-279. Fix in MR-279 branch. Fixing NPE on speculator in MRAppMaster and
  563. making job-history optional in tests to make test goal succeed. (vinodk and
  564. sharadag).
  565. MAPREDUCE-279. Fix in MR-279 branch. Fixed NPE in CS by checking Application
  566. state before scheduling and fixing synchronization in CS. (acmurthy)
  567. MAPREDUCE-279. Fix in MR-279 branch. Making pipes work with YARN. Changed pipes
  568. to get log-locations from an environmental variable. (vinodkv)
  569. MAPREDUCE-279. Fix in MR-279 branch. Ensure 'lost' NodeManagers are dealt
  570. appropriately, the containers are released correctly. (acmurthy)
  571. MAPREDUCE-279. Fix in MR-279 branch. Adding some more logging for AM expiry logs
  572. (mahadev)
  573. MAPREDUCE-279. Fix in MR-279 branch. Reduce ramp up and zero maps support.
  574. (sharad)
  575. MAPREDUCE-279. Fix in MR-279 branch. Allowing hdfs calls from streaming/pipes
  576. tasks. (vinodkv)
  577. MAPREDUCE-279. Fix in MR-279 branch. Added ability to decommission nodes and
  578. completed RM administration tools to achieve parity with JobTracker. (acmurthy)
  579. MAPREDUCE-2551. Added JobSummaryLog. (Siddharth Seth via acmurthy)
  580. MAPREDUCE-2552. Fixed NPE in CompletedJob in JobHistoryServer. (Siddharth Seth
  581. via acmurthy)
  582. MAPREDUCE-279. Fix in MR-279 branch. Fix reduce slow start. (sharad)
  583. MAPREDUCE-279. Fix in MR-279 branch. Fixed TestFifoScheduler. (acmurthy)
  584. MAPREDUCE-279. Fix in MR-279 branch. Fix build issue for using yarn.version
  585. instead of hadoop-mapred.version (mahadev and giri)
  586. MAPREDUCE-279. Fix in MR-279 branch. Fixes in the handling of KILL events in the
  587. SUCCEEDED state for tasks in the application master (ddas)
  588. MAPREDUCE-279. Fix in MR-279 branch. Fix for NPE in TestRMNMRPCResponseId.
  589. (mahadev)
  590. MAPREDUCE-279. Fix in MR-279 branch. Fix a deadlock in the resourcemanager.
  591. (mahadev)
  592. MAPREDUCE-279. Fix in MR-279 branch. NodeStatus.getNodeHealthStatus().setBlah
  593. broken (Siddharth Seth)
  594. MAPREDUCE-279. Fix in MR-279 branch. Fix another NPE in TestRMNMRPCResponseId.
  595. (mahadev)
  596. MAPREDUCE-279. Fix in MR-279 branch. Fix for NPE in TestNMExpiry (siddharth
  597. seth)
  598. MAPREDUCE-279. Fix in MR-279 branch. Making each node aggregate all its
  599. user-logs to a separate hdfs file. (vinodkv)
  600. MAPREDUCE-279. Fix in MR-279 branch. Fix calculation of max-capacity for a
  601. queue, also fixed a bug in registration of NodeManagers. (acmurthy)
  602. MAPREDUCE-279. Fix in MR-279 branch. More cleaning up constants, removing stale
  603. code, and making conspicuous the envs that apps depend on to be provided by
  604. YARN. (vinodkv)
  605. MAPREDUCE-279. Fix in MR-279 branch. Fix container size rounding in AM and
  606. headroom in RM. (acmurthy and sharad)
  607. MAPREDUCE-279. Fix in MR-279 branch. Disable Job acls until fixed (mahadev)
  608. MAPREDUCE-279. Fix in MR-279 branch. Fix to report job status if the application
  609. is KILLED/FAILED. (mahadev)
  610. MAPREDUCE-279. Fix in MR-279 branch. Fix a corner case in headroom computation -
  611. now reservations are taken into account and headroom is computed much later to
  612. account for allocations/reservations. (acmurthy)
  613. MAPREDUCE-2537. The RM writes its log to
  614. yarn-mapred-resourcemanager-<RM_Host>.out (Robert Evans via mahadev)
  615. MAPREDUCE-279. Fix in MR-279 branch. Fix logging for showing the state of job
  616. (FAILED/KILLED/SUCCEEDED) when it completes (mahadev)
  617. MAPREDUCE-279. Fix in MR-279 branch. Re-enabled TestCapacityScheduler.
  618. (acmurthy)
  619. MAPREDUCE-279. Fix in MR-279 branch. Support for min and max container capacity.
  620. (acmurthy and sharad)
  621. MAPREDUCE-2531. Fixed jobcontrol to downgrade JobID. (Robert Evans via acmurthy)
  622. MAPREDUCE-2539. Fixed NPE in getMapTaskReports in JobClient. (Robert Evans via
  623. acmurthy)
  624. MAPREDUCE-279. Fix in MR-279 branch. Fixing the wrong config key used in
  625. JobHistory that prevented configuring move-thread interval. (vinodkv)
  626. MAPREDUCE-279. Fix in MR-279 branch. Fixed inconsistency in QueueACL enums.
  627. (acmurthy)
  628. MAPREDUCE-279. Fix in MR-279 branch. Fix various issues with Web UI's. (Luke Lu)
  629. MAPREDUCE-279. Fix in MR-279 branch. Fix class cast exception in Task abort for
  630. old mapreduce apis. (sharad)
  631. MAPREDUCE-279. Fix in MR-279 branch. Add deletion of distributed cache
  632. resources. (cdouglas)
  633. MAPREDUCE-279. Fix in MR-279 branch. Disable aggregation of logs onto DFS till
  634. JobHistoryServer starts serving logs. (vinodkv)
  635. MAPREDUCE-279. Fix in MR-279 branch. Cleanup redundant code in TaskAttemptImpl.
  636. (sharad)
  637. MAPREDUCE-279. Fix in MR-279 branch. Work around broken signaling in public
  638. cache. (cdouglas)
  639. MAPREDUCE-2566. YarnConfiguration should reloadConfiguration if instantiated
  640. with a non YarnConfiguration object. (Siddharth Seth)
  641. MAPREDUCE-279. Fix in MR-279 branch. Fully resolve paths when launching
  642. containers. (Siddharth Seth)
  643. MAPREDUCE-279. Fix in MR-279 branch. Re-enabling Uber-AM feature. (vinodkv)
  644. MAPREDUCE-279. Fix in MR-279 branch. Fixed deadlock during expiring NMs.
  645. (acmurthy)
  646. MAPREDUCE-279. Fix in MR-279 branch. Solving NPEs during
  647. ContainerManager#StopContainer. Also removing the unused
  648. ContainerManager#CleanupContainer api. (vinodkv)
  649. MAPREDUCE-279. Fix in MR-279 branch. Remove retries in dist cache so that NM's
  650. do not shutdown (mahadev)
  651. MAPREDUCE-279. Fix in MR-279 branch. Fix classpath construction for Task.
  652. (vinodkv via sharad)
  653. MAPREDUCE-279. Fix in MR-279 branch. Sending Job diagnostics from AM to RM and
  654. redirect to history-url on job completion. (vinodkv and sharadag)
  655. MAPREDUCE-279. Fix in MR-279 branch. Added clover in pom dependency. (sharad)
  656. MAPREDUCE-279. Fix in MR-279 branch. Intermittent TestMRApp failures on faster
  657. Linux desktop. (Luke lu via mahadev)
  658. MAPREDUCE-279. Fix in MR-279 branch. Including source files in release
  659. distribution (Luke Lu via mahadev)
  660. MAPREDUCE-279. Fix in MR-279 branch. Intermittent TestMRApp failures on faster
  661. Linux desktop (part 2) (Luke lu via mahadev)
  662. MAPREDUCE-279. Fix in MR-279 branch. Disable Uber AM. (mahadev)
  663. MAPREDUCE-279. Fix in MR-279 branch. Added few job diagnostic messages. (sharad)
  664. MAPREDUCE-279. Fix in MR-279 branch. Add ability to includes src files in
  665. assembly target for maven (Luke Lu via mahadev)
  666. MAPREDUCE-2582. Cleanup JobHistory event generation.(Siddharth Seth via sharad)
  667. MAPREDUCE-279. Fix in MR-279 branch. Fix rounding off problem in reduce ramp up.
  668. (sharad)
  669. MAPREDUCE-279. Fix in MR-279 branch. Fix more rounding off problems in reduce
  670. ramp up. Also fix a bug preventing the application of the cap on reduce ramp-up.
  671. (Sharad Agarwal via vinodkv)
  672. MAPREDUCE-279. Fix in MR-279 branch. Fix to exclude images dir into the tar
  673. distribution (Luke Lu via gkesavan)
  674. MAPREDUCE-279. Fix in MR-279 branch. Changes a couple of usages of FileContext
  675. to FileSystem in YarnRunner to handle distributed cache path resolutions on
  676. non-default filesystems. (ddas)
  677. MAPREDUCE-279. Fix in MR-279 branch. Display failed/killed attempts of the task
  678. on MR AM UI separately. (vinodkv)
  679. MAPREDUCE-279. Fix in MR-279 branch. Miscellaneous UI fixes + source code
  680. formatting for MR JobHistoryEventHandler. (vinodkv)
  681. MAPREDUCE-279. Fix in MR-279 branch. Fixing broken link to logs for container on
  682. NM web UI. (vinodkv)
  683. MAPREDUCE-279. Fix in MR-279 branch. Fixing the bug which was causing FAILED
  684. jobs to be displayed as COMPLETED on the RM UI. (vinodkv)
  685. MAPREDUCE-279. Fix in MR-279 branch. Job level node blacklisting. (sharad)
  686. MAPREDUCE-279. Fix in MR-279 branch. Fix NPE in history event handling
  687. (Siddharth Seth via mahadev)
  688. MAPREDUCE-2569. Ensure root queue allocated 100% capacity. (Jonathan Eagles via
  689. cdouglas)
  690. MAPREDUCE-279. Fix in MR-279 branch. Fix ClassCastException in JobHistoryServer
  691. for certain jobs. (Siddharth Seth via llu)
  692. MAPREDUCE-279. Fix in MR-279 branch. Changes for invoking rack resolution in the
  693. RM and in the AM (ddas)
  694. MAPREDUCE-279. Fix in MR-279 branch. Fix concurrent modification exception in
  695. the Capacity Scheduler (mahadev)
  696. MAPREDUCE-279. Fix in MR-279 branch. Fix stopContainer for setsid challenged
  697. platforms. (llu)
  698. MAPREDUCE-2587. Generate yarn version for UI. (Thomas Graves via lluts page to
  699. the history server UI. (vinodkv)
  700. MAPREDUCE-279. Fix in MR-279 branch. Bug fix to set correct state on containers
  701. so as to avoid duplicate containers from RM to AM. (vinodkv)
  702. MAPREDUCE-279. Fix in MR-279 branch. Hack until MAPREDUCE-2365 is fixed to make
  703. PIG work with MRV2. (mahadev)
  704. MAPREDUCE-279. Fix in MR-279 branch. Changes a couple of usages of FileContext
  705. to FileSystem in TaskAttemptImpl to handle distributed cache path resolutions on
  706. non-default filesystems. (ddas)
  707. MAPREDUCE-279. Fix in MR-279 branch. Fix NPE when requesting attempts for
  708. completed jobs. (Siddharth Seth via llu)
  709. MAPREDUCE-279. Fix in MR-279 branch. Improve logging for AM when requesting
  710. containers to show the right ask and release fields (mahadev)
  711. MAPREDUCE-279. Fix in MR-279 branch. Fix race condition between multiple
  712. localizers on a single node. (cdouglas via mahadev)
  713. MAPREDUCE-279. Fix in MR-279 branch. Fix RM app start/finish time and
  714. diagnostics. (llu)
  715. MAPREDUCE-279. Fix in MR-279 branch. Fix to schedule reduces irrespective of the
  716. headroom when all maps are done so as to avoid stall in reduce-scheduling when
  717. slow-start is disabled. (Sharad Agarwal via vinodkv).
  718. MAPREDUCE-279. Fix in MR-279 branch. Disabling locality-wait in
  719. CapacityScheduler for now to prevent uber-slow scheduling for apps with no
  720. data-locality constraints (sleep-job like). (vinodkv)
  721. MAPREDUCE-279. Fix in MR-279 branch. Fixing scheduling deadlock in AM because of
  722. incorrect headRoom values from RM. The bug happens when AM releases containers
  723. and RM decrements current memory usage twice for all those containers. (vinodkv)
  724. MAPREDUCE-2611. Fix counters, finish times etc. in job history. (Siddharth Seth
  725. via llu)
  726. MAPREDUCE-279. Fix in MR-279 branch. Fix for ConcurrentModification exception
  727. while iterating through tokens in a UGI in ContainerLauncherImpl. (ddas)
  728. MAPREDUCE-279. Fix in MR-279 branch. Fix for NPE in YarnChild that was causing
  729. lots of tasks to fail. (vinodkv)
  730. MAPREDUCE-2615. Make killJob go through AM and fix JobSummaryLog. (Siddharth
  731. Seth via llu)
  732. MAPREDUCE-279. Fix in MR-279 branch. Fix class cast exception in release
  733. reserved containers in capacity scheduler (mahadev)
  734. MAPREDUCE-279. Fix in MR-279 branch. Fix diagnostics display for more than 100
  735. apps in RM. (llu)
  736. MAPREDUCE-279. Fix in MR-279 branch. Fix some invalid transitions in the RM.
  737. (vinodkv via ddas)
  738. MAPREDUCE-2618. Fix NPE in 0 map 0 reduce jobs. (Jeffrey Naisbitt via llu)
  739. MAPREDUCE-2625. Add version info to nodemanager info page. (Jonathan Eagles via
  740. llu)
  741. MAPREDUCE-279. Fix in MR-279 branch. (1) Faster retries from AM to HistoryServer
  742. (2) Correct diagnostics for containers. (vinodkv)
  743. MAPREDUCE-279. Fix in MR-279 branch. Major ASM cleanup. Streamlining classes,
  744. interface and events. (vinodkv)
  745. MAPREDUCE-279. Fix in MR-279 branch. Reinstate resolve path fixes for viewfs.
  746. (Siddharth Seth via llu)
  747. MAPREDUCE-2633. Add a getCounter(Enum) method to the Counters record. (Josh
  748. Wills via sharad)
  749. MAPREDUCE-2645. Updates to MRv2 INSTALL and README documentation. (Josh Wills
  750. via vinodkv)
  751. MAPREDUCE-2628. Add compiled on date to NM and RM info/about page.
  752. MAPREDUCE-2400. Remove Cluster's dependency on JobTracker via a ServiceProvider
  753. for the actual implementation. (tomwhite via acmurthy)
  754. MAPREDUCE-2663. Refactoring StateMachineFactory inner classes. (ahmed radwan via
  755. mahadev)
  756. MAPREDUCE-2678. minimum-user-limit-percent no longer honored. (naisbitt via
  757. mahadev)
  758. MAPREDUCE-2630. refreshQueues leads to NPEs when used w/FifoScheduler. (Josh
  759. Wills via mahadev)
  760. MAPREDUCE-2644. NodeManager fails to create containers when NM_LOG_DIR is not
  761. explicitly set in the Configuration. (Josh Wills via vinodkv)
  762. MAPREDUCE-2661. Fix TaskImpl to not access MapTaskImpl. (Ahmed Radwan via
  763. sharad)
  764. HADOOP-6929. Backport changes to MR-279 (mahadev and owen)
  765. HADOOP-6929. Making Security Info abstract and not an interface (mahadev)
  766. MAPREDUCE-2667. mapred job -kill leaves application in RUNNING state (thomas
  767. graves via mahadev)
  768. MAPREDUCE-2664. Implement JobCounters for Mtions as asynchronous. (vinodkv,
  769. sharad and acmurthy)
  770. MAPREDUCE-2773. server.api.records.NodeHealthStatus renamed but not updated in
  771. client NodeHealthStatus.java (Thomas Graves via mahadev)
  772. MAPREDUCE-2772. Fix MR-279 build after common mavenization. (Robert Joseph Evans
  773. via llu)
  774. MAPREDUCE-2772. Fix MR-279 build after common mavenization, part 2. (Thomas
  775. Graves via llu)
  776. MAPREDUCE-279. Fix in MR-279 branch. Harmonize slf4j versions. (llu)
  777. MAPREDUCE-279. Fix in MR-279 branch. Fix NPE in FifoScheduler. (mahadev)
  778. MAPREDUCE-2776. Fix some of the yarn findbug warnings. (Siddharth Seth via
  779. mahadev)
  780. MAPREDUCE-279. Fix in MR-279 branch. Fix findbugs warnings in mr-client modules,
  781. part 1 (mahadev)
  782. MAPREDUCE-279. Fix in MR-279 branch. Fix findbugs warnings in mr-client modules
  783. part 2 (mahadev)
  784. MAPREDUCE-279. Fix in MR-279 branch. Fix findbugs warnings in mr-client modules
  785. part 3 (mahadev)
  786. MAPREDUCE-279. Fix in MR-279 branch. Fix the poms to enable 0.23 snapshots for
  787. hdfs/common from apache nightly builds (gkesavan)
  788. MAPREDUCE-279. Fix in MR-279 branch. Fix ivy conf to work with the hadoop common
  789. trunk maven build changes. (Giridharan Kesavan)
  790. MAPREDUCE-279. Fix in MR-279 branch. Patch for findbugs warnings in Resource
  791. Manager (Siddharth Seth via mahadev)
  792. MAPREDUCE-279. Fix in MR-279 branch. Fix for running ant targets to use the
  793. right set of common/test jars (gkesavan via mahadev)
  794. MAPREDUCE-2782. Unit tests for CapacityScheduler. (acmurthy)
  795. MAPREDUCE-2706. Log job submission failures. (Jeffrey Naisbitt via acmurthy)
  796. MAPREDUCE-2781. mr279 RM application finishtime not set (Thomas Graves via
  797. mahadev)
  798. MAPREDUCE-279. Fix in MR-279 branch. Fixed CS locality wait factor. (acmurthy)
  799. MAPREDUCE-2808. pull MAPREDUCE-2797 into mr279 branch (Thomas Graves via
  800. mahadev)
  801. MAPREDUCE-2639. Bug fixes in speculate.DataStatistics. (Josh Wills via acmurthy)
  802. MAPREDUCE-2839. Fixed TokenCache to get delegation tokens using both new and old
  803. apis. (Siddharth Seth via acmurthy)
  804. MAPREDUCE-2727. Fix divide-by-zero error in SleepJob for sleepCount equals 0.
  805. (Jeffrey Naisbitt via acmurthy)
  806. MAPREDUCE-2839. Fixed TokenCache to get delegation tokens using both new
  807. and old apis. (Siddharth Seth via acmurthy)
  808. MAPREDUCE-2727. Fix divide-by-zero error in SleepJob for sleepCount equals
  809. 0. (Jeffrey Naisbitt via acmurthy)
  810. MAPREDUCE-2860. Fix log4j logging in the maven test cases. (mahadev)
  811. MAPREDUCE-2867. Remove Unused TestApplicaitonCleanup in resourcemanager/applicationsmanager.
  812. (mahadev)
  813. MAPREDUCE-2868. ant build broken in hadoop-mapreduce dir (mahadev, giri and arun via mahadev)
  814. MAPREDUCE-2649. Handling of finished applications in RM. (Thomas Graves
  815. via acmurthy)
  816. MAPREDUCE-2838. Fix MapReduce builds to use new hadoop-common test jars.
  817. (gkesavan via acmurthy)
  818. MAPREDUCE-2859. Fix eclipse plugin contrib module compilation (gkesavan)
  819. MAPREDUCE-2846. Fix missing synchronization in the task log management.
  820. (omalley)
  821. MAPREDUCE-2807. Fix AM restart and client redirection. (sharad)
  822. MAPREDUCE-2877. Add missing Apache license header in some files in MR
  823. and also add the rat plugin to the poms. (mahadev)
  824. MAPREDUCE-2796. Set start times for MR applications for clients to see.
  825. (Devaraj K via acmurthy)
  826. MAPREDUCE-2879. Fix version for MR-279 to 0.23.0. (acmurthy)
  827. MAPREDUCE-2881. Fix to include log4j 1.2.16 depenency (gkesavan)
  828. MAPREDUCE-2885. Fix mapred-config.sh to look for hadoop-config.sh in
  829. HADOOP_COMMON_HOME/libexec. (acmurthy)
  830. MAPREDUCE-2893. Remove duplicate entry of YarnClientProtocolProvider in
  831. ClientProtocolProvider services file. (Liang-Chi Hsieh via acmurthy)
  832. MAPREDUCE-2891. Javadoc for AMRMProtocol and related records. (acmurthy)
  833. MAPREDUCE-2898. Javadoc for ContainerManager protocol and related records.
  834. (acmurthy)
  835. MAPREDUCE-2904. Fixed bin/yarn to correctly include HDFS jars and
  836. clean up of stale refs to pre-mavenized Hadoop Common and HDFS.
  837. (Sharad Agarwal and Arun C. Murthy via acmurthy)
  838. MAPREDUCE-2737. Update the progress of jobs on client side. (Siddharth Seth
  839. and Mahadev Konar via mahadev)
  840. MAPREDUCE-2886. Fix Javadoc warnings in MapReduce. (mahadev)
  841. MAPREDUCE-2897. Javadoc for ClientRMProtocol protocol and related records.
  842. (acmurthy)
  843. MAPREDUCE-2916. Ivy build for MRv1 fails with bad organization for
  844. common daemon. (mahadev)
  845. MAPREDUCE-2917. Fixed corner case in container reservation which led to
  846. starvation and hung jobs. (acmurthy)
  847. MAPREDUCE-2756. Better error handling in JobControl for failed jobs.
  848. (Robert Evans via acmurthy)
  849. MAPREDUCE-2716. MRReliabilityTest job fails because of missing
  850. job-file. (Jeffrey Naisbitt via vinodkv)
  851. MAPREDUCE-2882. TestLineRecordReader depends on ant jars. (todd)
  852. MAPREDUCE-2687. Fix NodeManager to use the right version of
  853. LocalDirAllocator.getLocalPathToWrite. (mahadev & acmurthy)
  854. MAPREDUCE-2800. Set final progress for tasks to ensure all task information
  855. is correctly logged to JobHistory. (Siddharth Seth via acmurthy)
  856. MAPREDUCE-2938. Log application submission failure in CapacityScheduler.
  857. (acmurthy)
  858. MAPREDUCE-2948. Hadoop streaming test failure, post MR-2767 (mahadev)
  859. MAPREDUCE-2908. Fix all findbugs warnings. (vinodkv via acmurthy)
  860. MAPREDUCE-2942. TestNMAuditLogger.testNMAuditLoggerWithIP failing (Thomas Graves
  861. via mahadev)
  862. MAPREDUCE-2947. Fixed race condition in AuxiliaryServices. (vinodkv via
  863. acmurthy)
  864. MAPREDUCE-2844. Fixed display of nodes in UI. (Ravi Teja Ch N V via
  865. acmurthy)
  866. MAPREDUCE-2677. Fixed 404 for some links from HistoryServer. (Robert Evans
  867. via acmurthy)
  868. MAPREDUCE-2937. Ensure reason for application failure is displayed to the
  869. user. (mahadev via acmurthy)
  870. MAPREDUCE-2953. Fix a race condition on submission which caused client to
  871. incorrectly assume application was gone by making submission synchronous
  872. for RMAppManager. (Thomas Graves via acmurthy)
  873. MAPREDUCE-2963. Fix hang in TestMRJobs. (Siddharth Seth via acmurthy)
  874. MAPREDUCE-2954. Fixed a deadlock in NM caused due to wrong synchronization
  875. in protocol buffer records. (Siddharth Seth via vinodkv)
  876. MAPREDUCE-2975. Fixed YARNRunner to use YarnConfiguration rather than
  877. Configuration. (mahadev via acmurthy)
  878. MAPREDUCE-2971. ant build mapreduce fails protected access jc.displayJobList
  879. (jobs) (Thomas Graves via mahadev)
  880. MAPREDUCE-2691. Finishing up the cleanup of distributed cache file resources
  881. and related tests. (Siddharth Seth via vinodkv)
  882. MAPREDUCE-2749. Ensure NM registers with RM after starting all its services
  883. correctly. (Thomas Graves via acmurthy)
  884. MAPREDUCE-2979. Removed the needless ClientProtocolProvider configuration
  885. from the hadoop-mapreduce-client-core module. (Siddharth Seth via vinodkv)
  886. MAPREDUCE-2985. Fixed findbugs warnings in ResourceLocalizationService.
  887. (Thomas Graves via acmurthy)
  888. MAPREDUCE-2874. Fix formatting of ApplicationId in web-ui. (Eric Payne via
  889. acmurthy)
  890. MAPREDUCE-2995. Better handling of expired containers in MapReduce
  891. ApplicationMaster. (vinodkv via acmurthy)
  892. MAPREDUCE-2995. Fixed race condition in ContainerLauncher. (vinodkv via
  893. acmurthy)
  894. MAPREDUCE-2949. Fixed NodeManager to shut-down correctly if a service
  895. startup fails. (Ravi Teja via vinodkv)
  896. MAPREDUCE-3005. Fix both FifoScheduler and CapacityScheduler to correctly
  897. enforce locality constraints. (acmurthy)
  898. MAPREDUCE-3007. Fixed Yarn Mapreduce client to be able to connect to
  899. JobHistoryServer in secure mode. (vinodkv)
  900. MAPREDUCE-2987. Fixed display of logged user on RM Web-UI. (Thomas Graves
  901. via acmurthy)
  902. MAPREDUCE-3006. Fixed MapReduce AM to exit only after properly writing out
  903. history file. (vinodkv)
  904. MAPREDUCE-2925. Fixed Yarn+MR client code to behave saner with completed
  905. jobs. (Devaraj K via vinodkv)
  906. MAPREDUCE-3030. Fixed a bug in NodeId.equals() that was causing RM to
  907. reject all NMs. (Devaraj K via vinodkv)
  908. MAPREDUCE-3042. Fixed default ResourceTracker address. (Chris Riccomini
  909. via acmurthy)
  910. MAPREDUCE-3038. job history server not starting because conf() missing
  911. HsController (Jeffrey Naisbitt via mahadev)
  912. MAPREDUCE-3004. Fix ReduceTask to not assume 'local' mode in YARN. (Hitesh
  913. Shah via acmurthy)
  914. MAPREDUCE-3017. The Web UI shows FINISHED for killed/successful/failed jobs.
  915. (mahadev)
  916. MAPREDUCE-3040. Fixed extra copy of Configuration in
  917. YarnClientProtocolProvider and ensured MiniMRYarnCluster sets JobHistory
  918. configuration for tests. (acmurthy)
  919. MAPREDUCE-3018. Fixed -file option for streaming. (mahadev via acmurthy)
  920. MAPREDUCE-3036. Fixed metrics for reserved resources in CS. (Robert Evans
  921. via acmurthy)
  922. MAPREDUCE-2998. Fixed a bug in TaskAttemptImpl which caused it to fork
  923. bin/mapred too many times. (vinodkv via acmurthy)
  924. MAPREDUCE-3023. Fixed clients to display queue state correctly. (Ravi
  925. Prakash via acmurthy)
  926. MAPREDUCE-2970. Fixed NPEs in corner cases with different configurations
  927. for mapreduce.framework.name. (Venu Gopala Rao via vinodkv)
  928. MAPREDUCE-3062. Fixed default RMAdmin address. (Chris Riccomini
  929. via acmurthy)
  930. MAPREDUCE-3066. Fixed default ResourceTracker address for the NodeManager.
  931. (Chris Riccomini via acmurthy)
  932. MAPREDUCE-3044. Pipes jobs stuck without making progress. (mahadev)
  933. MAPREDUCE-2754. Fixed MR AM stdout, stderr and syslog to redirect to
  934. correct log-files. (Ravi Teja Ch N V via vinodkv)
  935. MAPREDUCE-3073. Fixed build issues in MR1. (mahadev via acmurthy)
  936. MAPREDUCE-2691. Increase threadpool size for launching containers in
  937. MapReduce ApplicationMaster. (vinodkv via acmurthy)
  938. MAPREDUCE-2990. Fixed display of NodeHealthStatus. (Subroto Sanyal via
  939. acmurthy)
  940. MAPREDUCE-3053. Better diagnostic message for unknown methods in ProtoBuf
  941. RPCs. (vinodkv via acmurthy)
  942. MAPREDUCE-2952. Fixed ResourceManager/MR-client to consume diagnostics
  943. for AM failures in a couple of corner cases. (Arun C Murthy via vinodkv)
  944. MAPREDUCE-3064. 27 unit test failures with Invalid
  945. "mapreduce.jobtracker.address" configuration value for
  946. JobTracker: "local" (Venu Gopala Rao via mahadev)
  947. MAPREDUCE-3090. Fix MR AM to use ApplicationAttemptId rather than
  948. (ApplicationId, startCount) consistently. (acmurthy)
  949. MAPREDUCE-2646. Fixed AMRMProtocol to return containers based on
  950. priority. (Sharad Agarwal and Arun C Murthy via vinodkv)
  951. MAPREDUCE-3031. Proper handling of killed containers to prevent stuck
  952. containers/AMs on an external kill signal. (Siddharth Seth via vinodkv)
  953. MAPREDUCE-2984. Better error message for displaying completed containers.
  954. (Devaraj K via acmurthy)
  955. MAPREDUCE-3071. app master configuration web UI link under the Job menu
  956. opens up application menu. (thomas graves via mahadev)
  957. MAPREDUCE-3067. Ensure exit-code is set correctly for containers. (Hitesh
  958. Shah via acmurthy)
  959. MAPREDUCE-2999. Fix YARN webapp framework to properly filter servlet
  960. paths. (Thomas Graves via vinodkv)
  961. MAPREDUCE-3095. fairscheduler ivy including wrong version for hdfs.
  962. (John George via mahadev)
  963. MAPREDUCE-3054. Unable to kill submitted jobs. (mahadev)
  964. MAPREDUCE-3021. Change base urls for RM web-ui. (Thomas Graves via
  965. acmurthy)
  966. MAPREDUCE-3041. Fixed ClientRMProtocol to provide min/max resource
  967. capabilities along-with new ApplicationId for application submission.
  968. (Hitesh Shah via acmurthy)
  969. MAPREDUCE-2843. Fixed the node-table to be completely displayed and making
  970. node entries on RM UI to be sortable. (Abhijit Suresh Shingate via vinodkv)
  971. MAPREDUCE-3110. Fixed TestRPC failure. (vinodkv)
  972. MAPREDUCE-3078. Ensure MapReduce AM reports progress correctly for
  973. displaying on the RM Web-UI. (vinodkv via acmurthy)
  974. MAPREDUCE-3114. Fixed invalid ApplicationURL on RM WebUI. (Subroto Sanyal
  975. via vinodkv)
  976. MAPREDUCE-2791. Added missing info on 'job -status' output. (Devaraj K via
  977. acmurthy)
  978. MAPREDUCE-2996. Add uber-ness information to JobHistory. (Jonathan Eagles
  979. via acmurthy)
  980. MAPREDUCE-3050. Add ability to get resource usage information for
  981. applications and nodes. (Robert Evans via acmurthy)
  982. MAPREDUCE-3113. Ensure bin/yarn and bin/yarn-daemon.sh identify the root
  983. of the install properly. (Xie Xianshan via acmurthy)
  984. MAPREDUCE-2792. Replace usage of node ip-addresses with hostnames.
  985. (vinodkv via acmurthy)
  986. MAPREDUCE-3112. Fixed recursive sourcing of HADOOP_OPTS environment
  987. variable. (Eric Yang)
  988. MAPREDUCE-3056. Changed the default staging directory to not include
  989. user.name to prevent issues with non-secure mode. (Devaraj K via vinodkv)
  990. Release 0.22.0 - Unreleased
  991. INCOMPATIBLE CHANGES
  992. MAPREDUCE-1866. Removes deprecated class
  993. org.apache.hadoop.streaming.UTF8ByteArrayUtils. (amareshwari)
  994. MAPREDUCE-1664. Changes the behaviour of the combination of job-acls
  995. when they function together with queue-acls. (Ravi Gummadi via vinodkv)
  996. MAPREDUCE-2994. Fixed a bug in ApplicationID parsing that affects RM
  997. UI. (Devaraj K via vinodkv)
  998. MAPREDUCE-1788. o.a.h.mapreduce.Job shouldn't make a copy of the JobConf.
  999. (Arun Murthy via mahadev)
  1000. NEW FEATURES
  1001. MAPREDUCE-1804. Stress-test tool for HDFS introduced in HDFS-708.
  1002. (Joshua Harlow via shv)
  1003. MAPREDUCE-220. Collect cpu and memory statistics per task. (Scott Chen via
  1004. acmurthy)
  1005. MAPREDUCE-1970. Reed-Solomon code implementation for HDFS RAID.
  1006. (Scott Chen via dhruba)
  1007. MAPREDUCE-2169. Integrated Reed-Solomon code with RaidNode. (Ramkumar
  1008. Vadali via schen)
  1009. MAPREDUCE-2936. Contrib Raid compilation broken after HDFS-1620. (vinodkv)
  1010. IMPROVEMENTS
  1011. MAPREDUCE-2141. Add an "extra data" field to Task for use by Mesos. (matei)
  1012. MAPREDUCE-2140. Regenerate fair scheduler design doc PDF. (matei)
  1013. MAPREDUCE-1546. Redirect all job pages to corresponding history page
  1014. if job is not in JT memory. (Scott Chen via sharad)
  1015. MAPREDUCE-1092. Enable assertions for unit tests. (Eli Collins via
  1016. cdouglas)
  1017. MAPREDUCE-1680. Add a metric recording JobTracker heartbeats processed.
  1018. (Dick King via cdouglas)
  1019. MAPREDUCE-1761. FairScheduler allows separate configuration of node
  1020. and rack locality wait time (Scott Chen via dhruba)
  1021. MAPREDUCE-1539. authorization checks for inter-server protocol
  1022. (based on HADOOP-6600) (Boris Shkolnik via shv)
  1023. MAPREDUCE-1798. Names the configuration keys for the Kerberos
  1024. principals better. (Boris Shkolnik via ddas)
  1025. MAPREDUCE-1773. streaming doesn't support jobclient.output.filter.
  1026. (Amareshwari Sriramadasu via vinodkv)
  1027. MAPREDUCE-1785. Add streaming config option for not emitting the key.
  1028. (Eli Collins via sharad)
  1029. MAPREDUCE-572. If #link is missing from uri format of -cacheArchive
  1030. then streaming does not throw error. (Amareshwari Sriramadasu via
  1031. vinodkv)
  1032. MAPREDUCE-1545. Add timestamps for first task type launched in job summary.
  1033. (Luke Lu via cdouglas)
  1034. MAPREDUCE-1543. Add an audit log for authentication events. (Amar Kamat and
  1035. Luke Lu via cdouglas)
  1036. MAPREDUCE-1762. Add ability to set values of task counters. (Scott Chen via
  1037. cdouglas)
  1038. MAPREDUCE-1533. Reduce overhead of logging and string manipulation during
  1039. heartbeat processing. (Amar Kamat and Dick King via cdouglas)
  1040. MAPREDUCE-1516. JobTracker issues delegation tokens only if the user's
  1041. authentication is Kerberos. (Jitendra Pandey via ddas)
  1042. MAPREDUCE-647. Update distcp forrest documentation to reflect the changes
  1043. of HADOOP-5472, MAPREDUCE-642 and HADOOP-5620. (Rodrigo Schmidt via
  1044. szetszwo)
  1045. MAPREDUCE-1851. Documents configuration parameters in streaming.
  1046. (amareshwari)
  1047. MAPREDUCE-1868. Add a read and connection timeout to JobClient while
  1048. pulling tasklogs. (Krishna Ramachandran via acmurthy)
  1049. MAPREDUCE-1778. Ensure failure to setup CompletedJobStatusStore is not
  1050. silently ignored by the JobTracker. (Krishna Ramachandran via acmurthy)
  1051. MAPREDUCE-1850. Includes job submit host information (name and ip) in
  1052. jobconf and jobdetails display (Krishna Ramachandran via amareshwari)
  1053. MAPREDUCE-1893. Slive with multiple reducers. (shv)
  1054. MAPREDUCE-1248. Fixes redudant memory copying in StreamKeyValUtil.
  1055. (Ruibang He via amareshwari)
  1056. MAPREDUCE-1840. Enhancements to Gridmix benchmark simulating user
  1057. diversity, queue replay, and task duration for JobTracker load testing.
  1058. Also includes compatibility with security enhancements, and scalability
  1059. improvements. (Amar Kamat, Rahul Singh, Hong Tang, and cdouglas)
  1060. MAPREDUCE-1848. Put number of speculative, data local, rack local
  1061. tasks in JobTracker metrics. (Scott Chen via dhruba)
  1062. MAPREDUCE-1935. Makes the Distcp to work in a secure environment.
  1063. (Boris Shkolnik via ddas)
  1064. MAPREDUCE-1945. The MapReduce component for HADOOP-6632.
  1065. (Kan Zhang & Jitendra Pandey via ddas)
  1066. MAPREDUCE-1936. Modify Gridmix3 to support more tunable parameters for
  1067. stress submission and sleep jobs. (Hong Tang via cdouglas)
  1068. MAPREDUCE-1733. Makes pipes applications secure. (Jitendra Pandey via ddas)
  1069. MAPREDUCE-1566. Adds a configuration attribute using which job clients can
  1070. specify a credentials file. The tokens from there will be passed to the job.
  1071. (Jitendra Pandey and Owen O'Malley via ddas)
  1072. MAPREDUCE-1624. Documents the job credentials and associated details to do
  1073. with delegation tokens (on the client side).
  1074. (Jitendra Pandey and Devaraj Das via ddas)
  1075. MAPREDUCE-1834. TestSimulatorDeterministicReplay timesout on trunk.
  1076. (Hong Tang via mahadev)
  1077. MAPREDUCE-1993. Fixes test failure
  1078. TestTrackerDistributedCacheManagerWithLinuxTaskController. (Devaraj Das
  1079. via amareshwari)
  1080. MAPREDUCE-1523. Making Mumak work with Capacity-Scheduler (Anirban Das
  1081. via mahadev)
  1082. MAPREDUCE-1920. Enables completed jobstatus store by default. (Tom White
  1083. via amareshwari)
  1084. MAPREDUCE-1881. Improve TaskTrackerInstrumentation to enable collection of
  1085. advanced metrics. (Matei Zaharia via acmurthy)
  1086. MAPREDUCE-1548. Hadoop archives preserve times and other properties from
  1087. original files. (Rodrigo Schmidt via dhruba)
  1088. MAPREDUCE-1517. Supports streaming job to run in the background. (Bochun Bai
  1089. via amareshwari)
  1090. MAPREDUCE-1819. RaidNode is now smarter in submitting Raid jobs. (Ramkumar
  1091. Vadali via schen)
  1092. MAPREDUCE-2132. A command line option in RaidShell to fix blocks using raid
  1093. MAPREDUCE-2147. Remove redundant lines in JobInProgress ctor.
  1094. (Harsh J Chouraria via cutting)
  1095. HADOOP-7007. Update the hudson-test-patch ant target to work with the
  1096. latest test-patch.sh script (gkesavan)
  1097. MAPREDUCE-1818. RaidNode can specify scheduling parameters. (Ramkumar
  1098. Vadali via schen)
  1099. MAPREDUCE-2051. Contribute a fair scheduler preemption system test.
  1100. (Todd Lipcon via tomwhite)
  1101. MAPREDUCE-1892. RaidNode can allow layered policies more efficiently.
  1102. (Ramkumar Vadali via schen)
  1103. MAPREDUCE-1592. Generate Eclipse's .classpath file from Ivy config.
  1104. (tomwhite via nigel)
  1105. MAPREDUCE-2073. TestTrackerDistributedCacheManager should be up-front
  1106. about requirements on build environment. (Todd Lipcon via tomwhite)
  1107. MAPREDUCE-2093. Herriot JT and TT clients should vend statistics. (cos)
  1108. MAPREDUCE-2167. Faster directory traversal for raid node. (Ramkumar Vadali
  1109. via schen)
  1110. MAPREDUCE-1931. Gridmix forrest documentation . (Ranjit Mathew via vinodkv).
  1111. MAPREDUCE-2184. Port DistRaid.java to new mapreduce API. (Ramkumar Vadali
  1112. via schen)
  1113. MAPREDUCE-1878. Add MRUnit documentation. (Aaron Kimball via tomwhite)
  1114. MAPREDUCE-2180. Add coverage of fair scheduler servlet to system test (todd)
  1115. MAPREDUCE-2250. Fix logging in raid code. (Ramkumar Vadali via schen)
  1116. MAPREDUCE-2260. Remove auto-generated native build files. (rvs via eli)
  1117. MAPREDUCE-2314. configure files that are generated as part of the released
  1118. tarball need to have executable bit set (rvs via cos)
  1119. MAPREDUCE-1159. Limit Job name in web UI to be 80 char long. (Harsh J
  1120. Chouraria via szetszwo)
  1121. MAPREDUCE-2337. Remove dependence of public MapReduce API on classes in
  1122. server package. (tomwhite)
  1123. MAPREDUCE-2383. Improve documentation of DistributedCache methods (Harsh J
  1124. Chouraria via todd)
  1125. MAPREDUCE-2222. Ivy resolve force mode should be turned off by default.
  1126. (Luke Lu via tomwhite)
  1127. MAPREDUCE-2103. task-controller shouldn't require o-r permissions.
  1128. (todd via eli)
  1129. MAPREDUCE-2505. Explain how to use ACLs in the fair scheduler.
  1130. (matei via eli)
  1131. OPTIMIZATIONS
  1132. MAPREDUCE-1354. Enhancements to JobTracker for better performance and
  1133. scalability. (Arun C. Murthy & Richard King via acmurthy)
  1134. MAPREDUCE-1829. JobInProgress.findSpeculativeTask should use min() to
  1135. find the candidate instead of sort(). (Scott Chen via vinodkv)
  1136. BUG FIXES
  1137. MAPREDUCE-1845. FairScheduler.tasksToPreempt() can return negative number.
  1138. (Scott Chen via matei)
  1139. MAPREDUCE-1707. TaskRunner can get NPE in getting ugi from TaskTracker.
  1140. (Vinod Kumar Vavilapalli)
  1141. MAPREDUCE-1532. Ensures that delegation tokens is obtained as the
  1142. actual user when the proxy-user is used for submitting jobs. Also
  1143. refactors the DelegationTokenToRenew class. (ddas)
  1144. MAPREDUCE-1558. Fixes MRAdmin to look up the principal of the
  1145. JobTracker and use that in the RefreshUserToGroupsMapping protocol and
  1146. RefreshAuthorizationPolicyProtocol. (Boris Shkolnik via ddas)
  1147. MAPREDUCE-1662. Remove unused methods from TaskRunner. (Amareshwari
  1148. Sriramadasu via cdouglas)
  1149. MAPREDUCE-1617. Use IPv4 stack for unit tests. (Amar Kamat and Luke Lu via
  1150. cdouglas)
  1151. MAPREDUCE-1599. Fixes MRBench so that it reuses tokens across jobs
  1152. correctly. (Jitendra Nath Pandey via ddas)
  1153. MAPREDUCE-1836. Refresh for proxy superuser config (mr part for HDFS-1096).
  1154. (Boris Shkolnik via shv)
  1155. MAPREDUCE-1505. Create RPC client on job submission, not in cstr of Job
  1156. instance. (Dick King via cdouglas)
  1157. MAPREDUCE-1813. NPE in PipeMapred.MRErrorThread. (Ravi Gummadi via vinodkv)
  1158. MAPREDUCE-1225. Fixes DistributedCache to check if the file is fresh or not,
  1159. for the first localization also. (Zhong Wang via amareshwari)
  1160. MAPREDUCE-1559. Fixes the token renewer to use the JobTracker's
  1161. credentials for talking to the NameNode. (ddas)
  1162. MAPREDUCE-1492. Delete obsolete har files used on the parity files
  1163. of hdfs raid. (Rodrigo Schmidt via dhruba)
  1164. MAPREDUCE-1857. Removes unused configuration parameters in streaming.
  1165. (amareshwari)
  1166. MAPREDUCE-1887. MRAsyncDiskService now properly absolutizes volume root
  1167. paths. (Aaron Kimball via zshao)
  1168. MAPREDUCE-1863. Fix NPE in Rumen when processing null CDF for failed task
  1169. attempts. (Amar Kamat via cdouglas)
  1170. MAPREDUCE-1864. Removes uninitialized/unused variables in
  1171. org.apache.hadoop.streaming.PipeMapRed. (amareshwari)
  1172. MAPREDUCE-1888. Fixes Streaming to override output key and value types,
  1173. only if mapper/reducer is a command. (Ravi Gummadi via amareshwari)
  1174. MAPREDUCE-577. Fixes duplicate records in StreamXmlRecordReader.
  1175. (Ravi Gummadi via amareshwari)
  1176. MAPREDUCE-1894. Fixed a bug in DistributedRaidFileSystem.readFully()
  1177. that was causing it to loop infinitely. (Ramkumar Vadali via dhruba)
  1178. MAPREDUCE-1838. Reduce the time needed for raiding a bunch of files
  1179. by randomly assigning files to map tasks. (Ramkumar Vadali via dhruba)
  1180. MAPREDUCE-1820. Fix InputSampler to clone sampled keys. (Alex Kozlov via
  1181. cdouglas)
  1182. MAPREDUCE-1528. Incorporates the changes to the credentials API done in
  1183. HADOOP-6845. Also, introduces Credentials in JobConf, and in JobContext.
  1184. (Jitendra Pandey and Arun Murthy via ddas)
  1185. MAPREDUCE-1865. Rumen should also support jobhistory files generated using
  1186. trunk. (Amar Kamat via amareshwari)
  1187. MAPREDUCE-1621. Fixes NPE in TextOutputReader.getLastOutput if it has never
  1188. read any output. (amareshwari)
  1189. MAPREDUCE-1911. Fixes errors in -info message in streaming. (amareshwari)
  1190. MAPREDUCE-1772. Corrects errors in streaming documentation in forrest.
  1191. (amareshwari)
  1192. MAPREDUCE-1925. Fix failing TestRumenJobTraces. (Ravi Gummadi via cdouglas)
  1193. MAPREDUCE-1718. Fixes a bug in the construction of jobconf key for the
  1194. mapping that the tasks use at runtime for looking up delegation tokens.
  1195. (Boris Shkolnik via ddas)
  1196. MAPREDUCE-1701. Fixes a problem to do with exception handling in
  1197. delegation-token renewals. (Boris Shkolnik via ddas)
  1198. MAPREDUCE-1686. Fixes StreamUtil.goodClassOrNull to find classes without
  1199. package names. (Paul Burkhardt via amareshwari)
  1200. MAPREDUCE-1288. Fixes TrackerDistributedCacheManager to take into account
  1201. the owner of the localized file in the mapping from cache URIs to
  1202. CacheStatus objects. (ddas)
  1203. MAPREDUCE-1982. Fixes Rumen's TraceBuilder to extract job name from either
  1204. of configuration properties "mapreduce.job.name" and "mapred.job.name".
  1205. (Ravi Gummadi via amareshwari)
  1206. MAPREDUCE-1958. The MapReduce part corresponding to the HADOOP-6873.
  1207. (Boris Shkolnik & Owen O'Malley via ddas)
  1208. MAPREDUCE-1900. TaskTracker and JobTracker closes FileSystems, opened on
  1209. behalf of users that it no longer requires. (Kan Zhang and ddas via ddas)
  1210. MAPREDUCE-1992. Fixes a problem to do with bringing up the JobTracker in
  1211. unsecure mode. (Kan Zhang via ddas)
  1212. MAPREDUCE-1999. Fixes ClientProtocol to use the correct
  1213. DelegationTokenSelector. (Jitendra Pandey via ddas)
  1214. MAPREDUCE-1780. AccessControlList.toString() is used for serialization of
  1215. ACL in JobStatus.java. (Ravi Gummadi via vinodkv)
  1216. MAPREDUCE-1961. Fix ConcurrentModificationException in Gridmix during
  1217. shutdown. (Hong Tang via cdouglas)
  1218. MAPREDUCE-2000. Fix parsing of JobHistory lines in Rumen when quotes are
  1219. escaped. (Hong Tang via cdouglas)
  1220. MAPREDUCE-2022. Fixes compilation errors in TestSubmitJob. (amareshwari)
  1221. MAPREDUCE-1670. RAID policies should not scan their own destination path.
  1222. (Ramkumar Vadali via dhruba)
  1223. MAPREDUCE-1668. RaidNode Hars a directory only if all its parity files
  1224. have been created. (Ramkumar Vadali via dhruba)
  1225. MAPREDUCE-2021. Fixes duplicate hostnames in CombineFileInputFormat's
  1226. split locations. (amareshwari)
  1227. MAPREDUCE-1375. Fixes flaky test TestFileArgs. (Todd Lipcon via
  1228. amareshwari)
  1229. MAPREDUCE-2023. TestDFSIO should not stop reading if curSize != bufferSize.
  1230. (Hong Tang via szetszwo)
  1231. MAPREDUCE-2031. Fixes test failures TestTaskLauncher and
  1232. TestTaskTrackerLocalization. (Ravi Gummadi via amareshwari)
  1233. MAPREDUCE-2046. Fixes CombineFileInputFormat to allow splits with size
  1234. less than DFS block size. (dhruba borthakur via amareshwari)
  1235. MAPREDUCE-1975. Fixes unnecessary InterruptedException log in gridmix.
  1236. (Ravi Gummadi via amareshwari)
  1237. MAPREDUCE-1597. Fixes CombineFileInputFormat to work with non-splittable
  1238. files. (amareshwari)
  1239. MAPREDUCE-2032. Fixes TestJobCleanup to cleanup test directory in
  1240. tearDown. (Dick King via amareshwari)
  1241. MAPREDUCE-1979. Fixes "Output directory already exists" error in gridmix
  1242. when gridmix.output.directory is not defined. (Ravi Gummadi via
  1243. amareshwari)
  1244. MAPREDUCE-1918. Adds documentation to Rumen. (Amar Kamat via amareshwari)
  1245. MAPREDUCE-2078. Fixes TraceBuilder to generate traces when a globbed job
  1246. history path is given. (Amar Kamat via amareshwari)
  1247. MAPREDUCE-1989. Fixes error message in gridmix when user resolver is set
  1248. and no user list is given. (Ravi Gummadi via amareshwari)
  1249. MAPREDUCE-2067. Distinct minicluster services (e.g. NN and JT) overwrite
  1250. each other's service policies. (Aaron T. Myers via tomwhite)
  1251. MAPREDUCE-2029. DistributedRaidFileSystem removes itself from FileSystem
  1252. cache when it is closed. (Ramkumar Vadali via dhruba)
  1253. MAPREDUCE-1816. HAR files used for RAID parity-bite have configurable
  1254. partfile size. (Ramkumar Vadali via dhruba)
  1255. MAPREDUCE-2082. Fixes Pipes to create the jobtoken file in the right
  1256. place. (Jitendra Pandey via ddas)
  1257. MAPREDUCE-2095. Fixes Gridmix to run from compressed traces. (Ranjit
  1258. Mathew via amareshwari)
  1259. MAPREDUCE-1908. DistributedRaidFileSystem now handles ChecksumException
  1260. correctly. (Ramkumar Vadali via schen)
  1261. MAPREDUCE-2126. JobQueueJobInProgressListener's javadoc is inconsistent
  1262. with source code. (Jingguo Yao via tomwhite)
  1263. MAPREDUCE-2143. HarFileSystem is able to handle spaces in pathnames.
  1264. (Ramkumar Vadali via dhruba)
  1265. MAPREDUCE-1867. Remove unused methods in
  1266. org.apache.hadoop.streaming.StreamUtil. (amareshwari via tomwhite)
  1267. MAPREDUCE-2146. Raid does not affect access time of a source file.
  1268. (Ramkumar Vadali via dhruba)
  1269. MAPREDUCE-2150. RaidNode periodically fixes corrupt blocks. (Ramkumar Vadali via
  1270. schen)
  1271. MAPREDUCE-2099. RaidNode recreates outdated parity HARs. (Ramkumar Vadali
  1272. via schen)
  1273. MAPREDUCE-2173. Fix race condition in TestBlockFixer that was
  1274. causing intermittent failure (Patrick Kling via dhruba)
  1275. MAPREDUCE-2142. Refactor RaidNode so that the map-reduce component is
  1276. clearly separated out. (Patrick Kling via dhruba)
  1277. MAPREDUCE-2179. Fix RaidBlockSender compilation failure. (Ramkumar Vadali
  1278. via schen)
  1279. MAPREDUCE-2034. TestSubmitJob triggers NPE instead of permissions error.
  1280. (Todd Lipcon via tomwhite)
  1281. MAPREDUCE-2195. New property for local conf directory in
  1282. system-test-mapreduce.xml file. (cos)
  1283. MAPREDUCE-1783. FairScheduler initializes tasks only when the job can be
  1284. run. (Ramkumar Vadali via schen)
  1285. MAPREDUCE-2224. Fix synchronization bugs in JvmManager. (todd)
  1286. MAPREDUCE-714. JobConf.findContainingJar unescapes unnecessarily on linux (todd)
  1287. MAPREDUCE-2096. Secure local filesystem IO from symlink vulnerabilities (todd)
  1288. MAPREDUCE-2234. If Localizer can't create task log directory, it should fail
  1289. on the spot. (todd)
  1290. MAPREDUCE-2219. JobTracker should not try to remove mapred.system.dir
  1291. during startup. (todd)
  1292. MAPREDUCE-2207. Task-cleanup task should not be scheduled on the node that
  1293. the task just failed. (Liyin Liang via schen)
  1294. MAPREDUCE-2084. Remove deprecate annotation for package file. The package
  1295. classes themselves are already deprecated. This removes an Eclipse error.
  1296. (tomwhite via nigel)
  1297. MAPREDUCE-2248. DistributedRaidFileSystem should unraid only the corrupt
  1298. block (Ramkumar Vadali via schen)
  1299. MAPREDUCE-1085. For tasks, "ulimit -v -1" is being run when user doesn't
  1300. specify a ulimit (todd)
  1301. MAPREDUCE-2282. Fix TestMRServerPorts for the changes in
  1302. TestHDFSServerPorts. (shv via szetszwo)
  1303. MAPREDUCE-2238. Fix permissions handling to avoid leaving undeletable
  1304. directories in local dirs. (todd)
  1305. MAPREDUCE-2277. TestCapacitySchedulerWithJobTracker needs to wait for jobs
  1306. to complete before testing status. (todd)
  1307. MAPREDUCE-2253. Servlets should specify content type (todd)
  1308. MAPREDUCE-2283. Add timeout for Raid Tests (Ramkumar Vadali via schen)
  1309. MAPREDUCE-1754. Replace mapred.persmissions.supergroup with an
  1310. acl : mapreduce.cluster.administrators (Amareshwari Sriramadasu via shv)
  1311. MAPREDUCE-2256. FairScheduler fairshare preemption from multiple pools may
  1312. preempt all tasks from one pool causing that pool to go below fairshare.
  1313. (Priyo Mustafi via shv)
  1314. MAPREDUCE-2281. MR part of HADOOP-6642. (Chris Douglas, Po Cheung via shv)
  1315. MAPREDUCE-2200. TestUmbilicalProtocolWithJobToken is failing without Krb
  1316. evironment: needs to be conditional. (cos)
  1317. MAPREDUCE-2077. Resolve name clash in the deprecated
  1318. o.a.h.util.MemoryCalculatorPlugin (Luke Lu via shv)
  1319. MAPREDUCE-2188. The new API MultithreadedMapper doesn't initialize
  1320. RecordReader. (Owen O'Malley via shv)
  1321. MAPREDUCE-1915. Fix IndexOutOfBoundsException in IndexCache.
  1322. (Priyo Mustafi via shv)
  1323. MAPREDUCE-1974. Fix multiple preemtions of the same task in FairScheduler.
  1324. (Scott Chen via shv)
  1325. MAPREDUCE-2304. Fix TestMRCLI to allow hostname with a hyphen (-).
  1326. (Priyo Mustafi via shv)
  1327. MAPREDUCE-1825. jobqueue_details.jsp and FairSchedulerServelet should not
  1328. call finishedMaps and finishedReduces when job is not initialized.
  1329. (Scott Chen via shv)
  1330. MAPREDUCE-2285. MiniMRCluster does not start after ant test-patch
  1331. (todd)
  1332. MAPREDUCE-2315. javadoc is failing in nightly build (todd)
  1333. MAPREDUCE-2054. Hierarchical queue implementation broke dynamic queue
  1334. addition in Dynamic Scheduler. (Thomas Sandholm via tomwhite)
  1335. MAPREDUCE-2272. Job ACL file should not be executable
  1336. (Harsh J Chouraria via todd)
  1337. MAPREDUCE-2241. ClusterWithLinuxTaskController should accept relative path
  1338. on the command line. (todd)
  1339. MAPREDUCE-2251. Remove unused mapreduce.job.userhistorylocation config.
  1340. (Harsh J Chouraria via todd)
  1341. MAPREDUCE-2284. TestLocalRunner.testMultiMaps times out (todd)
  1342. MAPREDUCE-2336. Tool-related packages should be in the Tool javadoc group.
  1343. (tomwhite)
  1344. MAPREDUCE-2394. JUnit output format doesn't propagate into raid contrib
  1345. build. (todd)
  1346. MAPREDUCE-2392. TaskTracker shutdown in the tests sometimes take 60s.
  1347. (tomwhite)
  1348. MAPREDUCE-2437. SLive uses only part* files to generating the final report.
  1349. (shv)
  1350. MAPREDUCE-2428. start-mapred.sh script fails if HADOOP_HOME is not set.
  1351. (tomwhite via eli)
  1352. MAPREDUCE-2445. Fix TestMiniMRWithDFSWithDistinctUsers to be a valid test.
  1353. (todd)
  1354. MAPREDUCE-2457. Job submission should inject group.name on the JobTracker
  1355. (Alejandro Abdelnur via todd)
  1356. MAPREDUCE-2472. Extra whitespace in mapred.child.java.opts breaks JVM
  1357. initialization. (Aaron T. Myers via todd)
  1358. MAPREDUCE-2222. Ivy resolve force mode should be turned off by default.
  1359. (Luke Lu via tomwhite)
  1360. MAPREDUCE-2486. Incorrect snapshot dependency published in .pom files
  1361. (todd)
  1362. MAPREDUCE-2327. MapTask doesn't need to put username information in
  1363. SpillRecord. (todd via tomwhite)
  1364. MAPREDUCE-2515. MapReduce code references some deprecated options
  1365. (Ari Rabkin via todd)
  1366. MAPREDUCE-2487. ChainReducer uses MAPPER_BY_VALUE instead of
  1367. REDUCER_BY_VALUE. (Devaraj K via todd)
  1368. MAPREDUCE-2185. Fix infinite loop at creating splits using
  1369. CombineFileInputFormat. (Ramkumar Vadali via schen)
  1370. MAPREDUCE-2571. CombineFileInputFormat.getSplits throws a
  1371. java.lang.ArrayStoreException. (Bochun Bai via todd)
  1372. MAPREDUCE-2767. Remove Linux task-controller. (Milind Bhandarkar via shv)
  1373. MAPREDUCE-2991. queueinfo.jsp fails to show queue status for Capacity
  1374. scheduler if queue names contain special symbols. (Priyo Mustafi via shv)
  1375. MAPREDUCE-2779. JobSplitWriter.java can't handle large job.split file.
  1376. (Ming Ma via shv)
  1377. MAPREDUCE-2531. Fixed jobcontrol to downgrade JobID. (Robert Evans via
  1378. acmurthy)
  1379. Release 0.21.1 - Unreleased
  1380. NEW FEATURES
  1381. MAPREDUCE-2040. Forrest Documentation for Dynamic Priority Scheduler.
  1382. (Thomas Sandholm via tomwhite)
  1383. BUG FIXES
  1384. MAPREDUCE-1897. trunk build broken on compile-mapred-test (cos)
  1385. MAPREDUCE-1280. Update Eclipse plugin to the new eclipse.jdt API.
  1386. (Alex Kozlov via szetszwo)
  1387. MAPREDUCE-1984. herriot TestCluster fails because exclusion is not there
  1388. (Balaji Rajagopalan via cos)
  1389. MAPREDUCE-2090. Clover build doesn't generate per-test coverage. (cos)
  1390. MAPREDUCE-2134. ant binary-system is broken in mapreduce project. (cos)
  1391. MAPREDUCE-1905. Fixes Context.setStatus() and progress() apis.
  1392. (amareshwari)
  1393. MAPREDUCE-1809. Ant build changes for Streaming system tests in contrib
  1394. projects. (Vinay Kumar Thota via amareshwari)
  1395. MAPREDUCE-2223. TestMRCLI might fail on Ubuntu with default /etc/hosts
  1396. (cos)
  1397. MAPREDUCE-2228. Remove java5 dependencies from build. (cos)
  1398. MAPREDUCE-1929. Allow artifacts to be published to the staging Apache Nexus
  1399. Maven Repository. (tomwhite)
  1400. MAPREDUCE-2317. Fix a NPE in HadoopArchives. (Devaraj K via szetszwo)
  1401. MAPREDUCE-2127. mapreduce trunk builds are filing on hudson.
  1402. (Bruno Mahé via eli)
  1403. Release 0.21.0 - 2010-08-13
  1404. INCOMPATIBLE CHANGES
  1405. MAPREDUCE-516. Fix the starvation problem in the Capacity Scheduler
  1406. when running High RAM Jobs. (Arun Murthy via yhemanth)
  1407. MAPREDUCE-358. Change org.apache.hadoop.examples. AggregateWordCount
  1408. and org.apache.hadoop.examples.AggregateWordHistogram to use new
  1409. mapreduce api. (Amareshwari Sriramadasu via sharad)
  1410. MAPREDUCE-245. Change Job and jobcontrol classes to use the List interface
  1411. rather than ArrayList in APIs. (Tom White via cdouglas)
  1412. MAPREDUCE-766. Enhanced list-blacklisted-trackers to display reasons
  1413. for blacklisting a node. (Sreekanth Ramakrishnan via yhemanth)
  1414. MAPREDUCE-817. Add a cache for retired jobs with minimal job info and
  1415. provide a way to access history file url. (sharad)
  1416. MAPREDUCE-711. Moved Distributed Cache from Common to Map/Reduce
  1417. project. (Vinod Kumar Vavilapalli via yhemanth)
  1418. MAPREDUCE-895. Per the contract elucidated in HADOOP-6201, throw
  1419. FileNotFoundException from FileSystem::listStatus rather than returning
  1420. null. (Jakob Homan via cdouglas)
  1421. MAPREDUCE-479. Provide full task id to map output servlet rather than the
  1422. reduce id, only. (Jiaqi Tan via cdouglas)
  1423. MAPREDUCE-873. Simplify job recovery. Incomplete jobs are resubmitted on
  1424. jobtracker restart. Removes a public constructor in JobInProgress. (sharad)
  1425. HADOOP-6230. Moved process tree and memory calculator related classes from
  1426. Common to Map/Reduce. (Vinod Kumar Vavilapalli via yhemanth)
  1427. MAPREDUCE-157. Refactor job history APIs and change the history format to
  1428. JSON. (Jothi Padmanabhan via sharad)
  1429. MAPREDUCE-849. Rename configuration properties. (Amareshwari Sriramadasu
  1430. via sharad)
  1431. MAPREDUCE-1287. Only call the partitioner with more than one reducer.
  1432. (cdouglas)
  1433. MAPREDUCE-1385. Use the new UserGroupInformation from HADOOP-6299.
  1434. (ddas via omalley)
  1435. MAPREDUCE-1493. Authorization for job-history pages. (vinodkv)
  1436. MAPREDUCE-1607. Task controller may not set permissions for a
  1437. task cleanup attempt's log directory (Amareshwari Sriramadasu via vinodkv)
  1438. MAPREDUCE-1683. Remove JNI calls from ClusterStatus cstr. (Arun Murthy and
  1439. Luke Lu via cdouglas)
  1440. MAPREDUCE-1855. Makes the refresh methods (for groups and proxy users)
  1441. independent of the client side configuration. (Boris Shkolnik via ddas)
  1442. NEW FEATURES
  1443. MAPREDUCE-1774. Large-scale Automated Framework (Sharad Agarwal, Sreekanth
  1444. Ramakrishnan, Konstantin Boudnik, at all via cos)
  1445. MAPREDUCE-706. Support for FIFO pools in the fair scheduler.
  1446. (Matei Zaharia)
  1447. MAPREDUCE-546. Provide sample fair scheduler config file in conf/ and use
  1448. it by default if no other config file is specified. (Matei Zaharia)
  1449. MAPREDUCE-551. Preemption support in the Fair Scheduler. (Matei Zaharia)
  1450. MAPREDUCE-567. Add a new example MR that always fails. (Philip Zeyliger
  1451. via tomwhite)
  1452. MAPREDUCE-211. Provides ability to run a health check script on the
  1453. tasktracker nodes and blacklist nodes if they are unhealthy.
  1454. (Sreekanth Ramakrishnan via yhemanth)
  1455. MAPREDUCE-637. Add an example, distbbp, which able to compute the n th bit
  1456. of Pi for some large n. (szetszwo)
  1457. MAPREDUCE-532. Provide a way to limit the number of used slots
  1458. per queue in the capacity scheduler.
  1459. (Rahul Kumar Singh via yhemanth)
  1460. MAPREDUCE-467. Provide ability to collect statistics about total tasks
  1461. and succeeded tasks in different time windows. (sharad)
  1462. MAPREDUCE-740. Log a job-summary at the end of a job, while allowing it
  1463. to be configured to use a custom appender if desired. (acmurthy)
  1464. MAPREDUCE-814. Provide a way to configure completed job history files
  1465. to be on HDFS. (sharad)
  1466. MAPREDUCE-800. MRUnit should support the new API. (Aaron Kimball via
  1467. tomwhite)
  1468. MAPREDUCE-798. MRUnit should be able to test a succession of MapReduce
  1469. passes. (Aaron Kimball via tomwhite)
  1470. MAPREDUCE-768. Provide an option to dump jobtracker configuration in JSON
  1471. format to standard output. (V.V.Chaitanya Krishna via yhemanth)
  1472. MAPREDUCE-824. Add support for a hierarchy of queues in the capacity
  1473. scheduler. (Rahul Kumar Singh via yhemanth)
  1474. MAPREDUCE-751. Add Rumen, a tool for extracting statistics from job tracker
  1475. logs and generating job traces for simulation and analysis. (Dick King via
  1476. cdouglas)
  1477. MAPREDUCE-830. Add support for splittable compression to TextInputFormats.
  1478. (Abdul Qadeer via cdouglas)
  1479. MAPREDUCE-861. Add support for hierarchical queues in the Map/Reduce
  1480. framework. (Rahul Kumar Singh via yhemanth)
  1481. MAPREDUCE-776. Add Gridmix, a benchmark processing Rumen traces to simulate
  1482. a measured mix of jobs on a cluster. (cdouglas)
  1483. MAPREDUCE-862. Enhance JobTracker UI to display hierarchical queues.
  1484. (V.V.Chaitanya Krishna via yhemanth)
  1485. MAPREDUCE-777. Brand new apis to track and query jobs as a
  1486. replacement for JobClient. (Amareshwari Sriramadasu via acmurthy)
  1487. MAPREDUCE-775. Add native and streaming support for Vertica as an input
  1488. or output format taking advantage of parallel read and write properties of
  1489. the DBMS. (Omer Trajman via ddas)
  1490. MAPREDUCE-679. XML-based metrics as JSP servlet for JobTracker.
  1491. (Aaron Kimball via tomwhite)
  1492. MAPREDUCE-980. Modify JobHistory to use Avro for serialization. (cutting)
  1493. MAPREDUCE-728. Add Mumak, a Hadoop map/reduce simulator. (Arun C Murthy,
  1494. Tamas Sarlos, Anirban Dasgupta, Guanying Wang, and Hong Tang via cdouglas)
  1495. MAPREDUCE-1383. Automates fetching of delegation tokens in File*Formats
  1496. Distributed Cache and Distcp. Also, provides a config
  1497. mapreduce.job.hdfs-servers that the jobs can populate with a comma
  1498. separated list of namenodes. The job client automatically fetches
  1499. delegation tokens from those namenodes. (Boris Shkolnik via ddas)
  1500. MAPREDUCE-698. Per-pool task limits for the fair scheduler.
  1501. (Kevin Peterson via matei)
  1502. MAPREDUCE-1026. Does mutual authentication of the shuffle
  1503. transfers using a shared JobTracker generated key.
  1504. (Boris Shkolnik via ddas)
  1505. MAPREDUCE-744. Introduces the notion of a public distributed cache.
  1506. (Devaraj Das)
  1507. MAPREDUCE-1338. Introduces the notion of token cache using which
  1508. tokens and secrets can be sent by the Job client to the JobTracker.
  1509. (Boris Shkolnik via ddas)
  1510. HDFS-503. This patch implements an optional layer over HDFS that
  1511. implements offline erasure-coding. It can be used to reduce the
  1512. total storage requirements of HDFS. (dhruba)
  1513. MAPREDUCE-1432. Adds hooks in the jobtracker and tasktracker
  1514. for loading the tokens in the user's ugi. This is required
  1515. for the copying of files from the hdfs. (ddas)
  1516. MAPREDUCE-1335. Adds SASL Kerberos/Digest authentication in MapReduce.
  1517. (Kan Zhang via ddas)
  1518. MAPREDUCE-1464. Makes a compatible change in JobTokenIdentifier to
  1519. account for HADOOP-6510. (Jitendra Nath Pandey via ddas)
  1520. MAPREDUCE-1433. Add a delegation token for MapReduce. (omalley)
  1521. MAPREDUCE-1307. Introduces the Job level ACLs feature.
  1522. (Vinod Kumar Vavilapalli via ddas)
  1523. MAPREDUCE-1430. JobTracker automatically renews delegation tokens for jobs.
  1524. (Boris Shkolnik via ddas)
  1525. MAPREDUCE-1455. Introduces job-level authorization for mapreduce servlets.
  1526. (Ravi Gummadi via vinodkv)
  1527. IMPROVEMENTS
  1528. MAPREDUCE-463. Makes job setup and cleanup tasks as optional.
  1529. (Amareshwari Sriramadasu via sharad)
  1530. MAPREDUCE-502. Allow jobtracker to be configured with zero completed jobs
  1531. in memory. (Amar Kamat via sharad)
  1532. MAPREDUCE-416. Moves the history file to a "done" folder whenever a job
  1533. completes. (Amar Kamat via ddas)
  1534. MAPREDUCE-646. Increase srcfilelist replication number in dictcp job.
  1535. (Ravi Gummadi via szetszwo)
  1536. HADOOP-6106. Updated hadoop-core and test jars from hudson trunk
  1537. build #12. (Giridharan Kesavan)
  1538. MAPREDUCE-642. A option to distcp that allows preserving the full
  1539. source path of a file in the specified destination directory.
  1540. (Rodrigo Schmidt via dhruba)
  1541. MAPREDUCE-686. Move TestSpeculativeExecution.Fake* into a separate class
  1542. so that it can be used by other tests. (Jothi Padmanabhan via sharad)
  1543. MAPREDUCE-625. Modify TestTaskLimits to improve execution time.
  1544. (Jothi Padmanabhan via sharad)
  1545. MAPREDUCE-465. Deprecate o.a.h.mapred.lib.MultithreadedMapRunner and add
  1546. test for o.a.h.mapreduce.lib.MultithreadedMapper.
  1547. (Amareshwari Sriramadasu via sharad)
  1548. MAPREDUCE-701. Improves the runtime of the TestRackAwareTaskPlacement
  1549. by making it a unit test. (Jothi Padmanabhan via ddas)
  1550. MAPREDUCE-371. Change KeyFieldBasedComparator and KeyFieldBasedPartitioner
  1551. to use new api. (Amareshwari Sriramadasu via sharad)
  1552. MAPREDUCE-623. Resolve javac warnings in mapreduce. (Jothi Padmanabhan
  1553. via sharad)
  1554. MAPREDUCE-655. Change KeyValueLineRecordReader and KeyValueTextInputFormat
  1555. to use new mapreduce api. (Amareshwari Sriramadasu via sharad)
  1556. MAPREDUCE-632. Merge TestCustomOutputCommitter with
  1557. TestCommandLineJobSubmission. (Jothi Padmanabhan via sharad)
  1558. MAPREDUCE-627. Improves execution time of TestTrackerBlacklistAcrossJobs.
  1559. (Jothi Padmanabhan via ddas)
  1560. MAPREDUCE-630. Improves execution time of TestKillCompletedJob.
  1561. (Jothi Padmanabhan via ddas)
  1562. MAPREDUCE-626. Improves the execution time of TestLostTracker.
  1563. (Jothi Padmanabhan via ddas)
  1564. MAPREDUCE-353. Makes the shuffle read and connection timeouts
  1565. configurable. (Ravi Gummadi via ddas)
  1566. MAPREDUCE-739. Allow relative paths to be created in archives. (Mahadev
  1567. Konar via cdouglas)
  1568. MAPREDUCE-772. Merge HADOOP-4010 changes to LineRecordReader into mapreduce
  1569. package. (Abdul Qadeer via cdouglas)
  1570. MAPREDUCE-785. Separate sub-test of TestReduceFetch to be included in
  1571. MR-670. (Jothi Padmanabhan via cdouglas)
  1572. MAPREDUCE-784. Modify TestUserDefinedCounters to use LocalJobRunner
  1573. instead of MiniMR. (Jothi Padmanabhan via sharad)
  1574. HADOOP-6160. Fix releaseaudit target to run on specific directories.
  1575. (gkesavan)
  1576. MAPREDUCE-782. Use PureJavaCrc32 in SpillRecord. (Todd Lipcon via
  1577. szetszwo)
  1578. MAPREDUCE-369. Change org.apache.hadoop.mapred.lib.MultipleInputs to
  1579. use new api. (Amareshwari Sriramadasu via sharad)
  1580. MAPREDUCE-373. Change org.apache.hadoop.mapred.lib.FieldSelectionMapReduce
  1581. to use new api. (Amareshwari Sriramadasu via sharad)
  1582. MAPREDUCE-628. Improves the execution time of TestJobInProgress.
  1583. (Jothi Padmanabhan via ddas)
  1584. MAPREDUCE-793. Creates a new test that consolidates a few tests to
  1585. include in the commit-test list. (Jothi Padmanabhan via ddas)
  1586. MAPREDUCE-797. Adds combiner support to MRUnit MapReduceDriver.
  1587. (Aaron Kimball via johan)
  1588. MAPREDUCE-656. Change org.apache.hadoop.mapred.SequenceFile* classes
  1589. to use new mapreduce api. (Amareshwari Sriramadasu via sharad)
  1590. MAPREDUCE-670. Creates ant target for 10 mins patch test build.
  1591. (Jothi Padmanabhan via gkesavan)
  1592. MAPREDUCE-375. Change org.apache.hadoop.mapred.lib.NLineInputFormat
  1593. and org.apache.hadoop.mapred.MapFileOutputFormat to use new api.
  1594. (Amareshwari Sriramadasu via ddas)
  1595. MAPREDUCE-779. Added node health failure counts into
  1596. JobTrackerStatistics. (Sreekanth Ramakrishnan via yhemanth)
  1597. MAPREDUCE-842. Setup secure permissions for localized job files,
  1598. intermediate outputs and log files on tasktrackers.
  1599. (Vinod Kumar Vavilapalli via yhemanth)
  1600. MAPREDUCE-478. Allow map and reduce jvm parameters, environment variables
  1601. and ulimit to be set separately.
  1602. Configuration changes:
  1603. add mapred.map.child.java.opts
  1604. add mapred.reduce.child.java.opts
  1605. add mapred.map.child.env
  1606. add mapred.reduce.child.ulimit
  1607. add mapred.map.child.env
  1608. add mapred.reduce.child.ulimit
  1609. deprecated mapred.child.java.opts
  1610. deprecated mapred.child.env
  1611. deprecated mapred.child.ulimit
  1612. (acmurthy)
  1613. MAPREDUCE-767. Remove the dependence on the CLI 2.0 snapshot.
  1614. (Amar Kamat via omalley)
  1615. MAPREDUCE-712. Minor efficiency tweaks to RandomTextWriter. (cdouglas)
  1616. MAPREDUCE-870. Remove the job retire thread and the associated
  1617. config parameters. (sharad)
  1618. MAPREDUCE-874. Rename the PiEstimator example to QuasiMonteCarlo.
  1619. (szetszwo)
  1620. MAPREDUCE-336. Allow logging level of map/reduce tasks to be configurable.
  1621. Configuration changes:
  1622. add mapred.map.child.log.level
  1623. add mapred.reduce.child.log.level
  1624. (acmurthy)
  1625. MAPREDUCE-355. Update mapred.join package to use the new API. (Amareshwari
  1626. Sriramadasu via cdouglas)
  1627. HADOOP-6184. Updated hadoop common and test jars to get the new API
  1628. in Configuration for dumping in JSON format from Hudson trunk build #68.
  1629. (yhemanth)
  1630. MAPREDUCE-476. Extend DistributedCache to work locally (LocalJobRunner).
  1631. (Philip Zeyliger via tomwhite)
  1632. MAPREDUCE-825. JobClient completion poll interval of 5s causes slow tests
  1633. in local mode. (Aaron Kimball via tomwhite)
  1634. MAPREDUCE-910. Support counters in MRUnit. (Aaron Kimball via cdouglas)
  1635. MAPREDUCE-788. Update gridmix2 to use the new API (Amareshwari Sriramadasu
  1636. via cdouglas)
  1637. MAPREDUCE-875. Make DBRecordReader execute queries lazily. (Aaron Kimball
  1638. via enis)
  1639. MAPREDUCE-318. Modularizes the shuffle code. (Jothi Padmanabhan and
  1640. Arun Murthy via ddas)
  1641. MAPREDUCE-936. Allow a load difference for fairshare scheduler.
  1642. (Zheng Shao via dhruba)
  1643. MAPREDUCE-370. Update MultipleOutputs to use the API, merge funcitonality
  1644. of MultipleOutputFormat. (Amareshwari Sriramadasu via cdouglas)
  1645. MAPREDUCE-898. Changes DistributedCache to use the new API.
  1646. (Amareshwari Sriramadasu via ddas)
  1647. MAPREDUCE-144. Includes dump of the process tree in task diagnostics when
  1648. a task is killed due to exceeding memory limits.
  1649. (Vinod Kumar Vavilapalli via yhemanth)
  1650. MAPREDUCE-945. Modifies MRBench and TestMapRed to use ToolRunner so that
  1651. options such as queue name can be passed via command line.
  1652. (Sreekanth Ramakrishnan via yhemanth)
  1653. MAPREDUCE-963. Deprecate o.a.h.mapred.FileAlreadyExistsException and
  1654. replace it with o.a.h.fs.FileAlreadyExistsException. (Boris Shkolnik
  1655. via szetszwo)
  1656. MAPREDUCE-960. Remove an unnecessary intermediate copy and obsolete API
  1657. from KeyValueLineRecordReader. (cdouglas)
  1658. MAPREDUCE-930. Modify Rumen to resolve paths in the canonical way, rather
  1659. than defaulting to the local filesystem. (cdouglas)
  1660. MAPREDUCE-944. Extend the LoadManager API of the fair-share scheduler
  1661. to support regulating tasks for a job based on resources currently in use
  1662. by that job. (dhruba)
  1663. MAPREDUCE-973. Move FailJob and SleepJob from examples to test. (cdouglas
  1664. via omalley)
  1665. MAPREDUCE-966. Modify Rumen to clean up interfaces and simplify integration
  1666. with other tools. (Hong Tang via cdouglas)
  1667. MAPREDUCE-856. Setup secure permissions for distributed cache files.
  1668. (Vinod Kumar Vavilapalli via yhemanth)
  1669. MAPREDUCE-885. More efficient SQL queries for DBInputFormat. (Aaron Kimball
  1670. via enis)
  1671. MAPREDUCE-284. Enables ipc.client.tcpnodelay in Tasktracker's Child.
  1672. (Ravi Gummadi via sharad)
  1673. MAPREDUCE-916. Split the documentation to match the project split.
  1674. (Corinne Chandel via omalley)
  1675. MAPREDUCE-649. Validate a copy by comparing the source and destination
  1676. checksums in distcp. Also adds an intra-task retry mechanism for errors
  1677. detected during the copy. (Ravi Gummadi via cdouglas)
  1678. MAPREDUCE-654. Add a -dryrun option to distcp printing a summary of the
  1679. file data to be copied, without actually performing the copy. (Ravi Gummadi
  1680. via cdouglas)
  1681. MAPREDUCE-664. Display the number of files deleted by distcp when the
  1682. -delete option is specified. (Ravi Gummadi via cdouglas)
  1683. MAPREDUCE-781. Let the name of distcp jobs be configurable. (Venkatesh S
  1684. via cdouglas)
  1685. MAPREDUCE-975. Add an API in job client to get the history file url for
  1686. a given job id. (sharad)
  1687. MAPREDUCE-905. Add Eclipse launch tasks for MapReduce. (Philip Zeyliger
  1688. via tomwhite)
  1689. MAPREDUCE-277. Makes job history counters available on the job history
  1690. viewers. (Jothi Padmanabhan via ddas)
  1691. MAPREDUCE-893. Provides an ability to refresh queue configuration
  1692. without restarting the JobTracker.
  1693. (Vinod Kumar Vavilapalli and Rahul Kumar Singh via yhemanth)
  1694. MAPREDUCE-1011. Add build.properties to svn and git ignore. (omalley)
  1695. MAPREDUCE-954. Change Map-Reduce context objects to be interfaces.
  1696. (acmurthy)
  1697. MAPREDUCE-639. Change Terasort example to reflect the 2009 updates.
  1698. (omalley)
  1699. MAPREDUCE-1063. Document gridmix benchmark. (cdouglas)
  1700. MAPREDUCE-931. Use built-in interpolation classes for making up task
  1701. runtimes in Rumen. (Dick King via cdouglas)
  1702. MAPREDUCE-1012. Mark Context interfaces as public evolving. (Tom White via
  1703. cdouglas)
  1704. MAPREDUCE-971. Document use of distcp when copying to s3, managing timeouts
  1705. in particular. (Aaron Kimball via cdouglas)
  1706. HDFS-663. DFSIO for append. (shv)
  1707. HDFS-641. Move all of the components that depend on map/reduce to
  1708. map/reduce. (omalley)
  1709. HADOOP-5107. Use Maven ant tasks to publish artifacts. (Giridharan Kesavan
  1710. via omalley)
  1711. MAPREDUCE-1229. Allow customization of job submission policy in Mumak.
  1712. (Hong Tang via cdouglas)
  1713. MAPREDUCE-1317. Reduce the memory footprint of Rumen objects by interning
  1714. host Strings. (Hong Tang via cdouglas)
  1715. MAPREDUCE-1097. Add support for Vertica 3.5 to its contrib module. (Omer
  1716. Trajman via cdouglas)
  1717. MAPREDUCE-1627. HadoopArchives should not uses a method in DistCp.
  1718. (szetszwo)
  1719. MAPREDUCE-1198. Alternatively schedule different types of tasks in
  1720. fair share scheduler. (Scott Chen via matei)
  1721. MAPREDUCE-707. Provide a jobconf property for explicitly assigning a job to
  1722. a pool in the Fair Scheduler. (Alan Heirich via matei)
  1723. MAPREDUCE-947. Added commitJob and abortJob apis to OutputCommitter.
  1724. Enhanced FileOutputCommitter to create a _SUCCESS file for successful
  1725. jobs. (Amar Kamat & Jothi Padmanabhan via acmurthy)
  1726. MAPREDUCE-1103. Added more metrics to Jobtracker. (sharad)
  1727. MAPREDUCE-1048. Add occupied/reserved slot usage summary on jobtracker UI.
  1728. (Amareshwari Sriramadasu and Hemanth Yamijala via sharad)
  1729. MAPREDUCE-1090. Modified log statement in TaskMemoryManagerThread to
  1730. include task attempt id. (yhemanth)
  1731. MAPREDUCE-1189. Reduce ivy console output to ovservable level (cos)
  1732. MAPREDUCE-1167. ProcfsBasedProcessTree collects rss memory information.
  1733. (Scott Chen via dhruba)
  1734. MAPREDUCE-1231. Added a new DistCp option, -skipcrccheck, so that the CRC
  1735. check during setup can be skipped. (Jothi Padmanabhan via szetszwo)
  1736. MAPREDUCE-1190. Add package documentation for BBP example.
  1737. (Tsz Wo (Nicholas) Sze via cdouglas)
  1738. MAPREDUCE-1119. When tasks fail to report status, show tasks's stack dump
  1739. before killing. (Aaron Kimball via tomwhite)
  1740. MAPREDUCE-1185. Redirect running job url to history url if job is already
  1741. retired. (Amareshwari Sriramadasu and Sharad Agarwal via sharad)
  1742. MAPREDUCE-1050. Introduce a mock object testing framework. (tomwhite)
  1743. MAPREDUCE-1084. Implementing aspects development and fault injeciton
  1744. framework for MapReduce. (Sreekanth Ramakrishnan via cos)
  1745. MAPREDUCE-1209. Move common specific part of the test TestReflectionUtils
  1746. out of mapred into common. (Todd Lipcon via tomwhite)
  1747. MAPREDUCE-967. TaskTracker does not need to fully unjar job jars.
  1748. (Todd Lipcon via tomwhite)
  1749. MAPREDUCE-1083. Changes in MapReduce so that group information of users
  1750. can be refreshed in the JobTracker via command line.
  1751. (Boris Shkolnik via ddas)
  1752. MAPREDUCE-181. Changes the job submission process to be secure.
  1753. (Devaraj Das)
  1754. MAPREDUCE-1250. Refactors the JobToken to use Common's Token interface.
  1755. (Kan Zhang via ddas)
  1756. MAPREDUCE-896. Enhance tasktracker to cleanup files that might have
  1757. been created by user tasks with non-writable permissions.
  1758. (Ravi Gummadi via yhemanth)
  1759. MAPREDUCE-372. Change org.apache.hadoop.mapred.lib.ChainMapper/Reducer
  1760. to use new mapreduce api. (Amareshwari Sriramadasu via sharad)
  1761. MAPREDUCE-1295. Add a tool in Rumen for folding and manipulating job
  1762. traces. (Dick King via cdouglas)
  1763. MAPREDUCE-1302. TrackerDistributedCacheManager deletes file
  1764. asynchronously, thus reducing task initialization delays.
  1765. (Zheng Shao via dhruba)
  1766. MAPREDUCE-1218. TaskTrackers send cpu and memory usage of
  1767. node to JobTracker. (Scott Chen via dhruba)
  1768. MAPREDUCE-847. Fix Releaseaudit warning count to zero
  1769. (Giridharan Kesavan)
  1770. MAPREDUCE-1337. Use generics in StreamJob to improve readability of that
  1771. class. (Kay Kay via cdouglas)
  1772. MAPREDUCE-361. Port terasort example to the new mapreduce API. (Amareshwari
  1773. Sriramadasu via cdouglas)
  1774. MAPREDUCE-1367. LocalJobRunner should support parallel mapper execution.
  1775. (Aaron Kimball via tomwhite)
  1776. MAPREDUCE-64. Eliminate io.sort.record.percent from MapTask configuration.
  1777. (cdouglas)
  1778. MAPREDUCE-1440. Replace the long user name in MapReduce with the local
  1779. name. (omalley)
  1780. MAPREDUCE-1470. Move delegation tokens from HDFS to Common so that
  1781. MapReduce can use them too. (omalley)
  1782. MAPREDUCE-1425. Reduce memory usage by archive. (mahadev via szetszwo)
  1783. MAPREDUCE-1441. Trim whitespace from directory lists pulled from the
  1784. configuration. (Todd Lipcon via cdouglas)
  1785. MAPREDUCE-1309. Refactor Rumen trace generator to improve code structure
  1786. and add extensible support for log formats. (Dick King via cdouglas)
  1787. MAPREDUCE-1503. Delegation token renewing and cancelling should provide
  1788. meaningful exceptions when there are failures instead of returning
  1789. false. (omalley)
  1790. HADOOP-6579. Upgrade commons-codec library to 1.4. (omalley)
  1791. MAPREDUCE-1423. Improve performance of CombineFileInputFormat when multiple
  1792. pools are configured. (Dhruba Borthakur via zshao)
  1793. MAPREDUCE-1454. Quote user supplied strings in Tracker servlets. (cdouglas)
  1794. MAPREDUCE-1408. Add customizable job submission policies to Gridmix. (Rahul
  1795. Singh via cdouglas)
  1796. MAPREDUCE-1527. Better warning logged when mapred.queue.names is
  1797. overshadowed by mapred-queues.xml. (Hong Tang via acmurthy)
  1798. MAPREDUCE-1403. Save the size and number of distributed cache artifacts in
  1799. the configuration. (Arun Murthy via cdouglas)
  1800. MAPREDUCE-1482. Truncate state string and diagnostic information in
  1801. TaskStatus. (Amar Kamat via szetszwo)
  1802. MAPREDUCE-1593. [Rumen] Improvements to random seed generation (tamas via
  1803. mahadev)
  1804. MAPREDUCE-1460. Oracle support in DataDrivenDBInputFormat.
  1805. (Aaron Kimball via tomwhite)
  1806. MAPREDUCE-1569. Pass configuration through mocked contexts in MRUnit.
  1807. (Chris White via cdouglas)
  1808. MAPREDUCE-1590. Move HarFileSystem from Hadoop Common to Mapreduce tools.
  1809. (mahadev)
  1810. MAPREDUCE-1629. Get rid of fakeBlockLocations() on HarFileSystem, since
  1811. it's not used (mahadev)
  1812. MAPREDUCE-1489. DataDrivenDBInputFormat should not query the database
  1813. when generating only one split. (Aaron Kimball via tomwhite)
  1814. MAPREDUCE-1514. Add documentation on replication, permissions, new options,
  1815. limitations and internals of har. (mahadev via szetszwo)
  1816. MAPREDUCE-1428. Make block size and the size of archive created files
  1817. configurable. (mahadev via szetszwo)
  1818. MAPREDUCE-1656. JobStory should provide queue info. (hong via mahadev)
  1819. MAPREDUCE-1466. Record number of files processed in FileInputFormat in the
  1820. Configuration for offline analysis. (Luke Lu and Arun Murthy via cdouglas)
  1821. MAPREDUCE-1538. TrackerDistributedCacheManager manages the
  1822. number of files. (Scott Chen via dhruba)
  1823. MAPREDUCE-1673. Scripts to start and stop RaidNode.
  1824. (Rodrigo Schmidt via dhruba)
  1825. MAPREDUCE-1659. RaidNode writes temp files on configured tmp directory and
  1826. add random numbers to their names to avoid conflicts
  1827. (Rodrigo Schmidt via dhruba)
  1828. MAPREDUCE-1221. Allow admins to control physical memory limits per-task
  1829. and per-node. (Scott Chen via acmurthy)
  1830. MAPREDUCE-1065. Update mapred tutorial to use the new API. (Aaron Kimball
  1831. via cdouglas)
  1832. MAPREDUCE-1304. Add a task counter tracking time spent in GC. (Aaron
  1833. Kimball via cdouglas)
  1834. MAPREDUCE-1570. Add grouping comparators to MRUnit. (Chris White via
  1835. cdouglas)
  1836. MAPREDUCE-1650. Exclude Private elements from generated MapReduce
  1837. Javadoc. (tomwhite)
  1838. MAPREDUCE-1625. Improve grouping of packages in Javadoc. (tomwhite)
  1839. MAPREDUCE-1417. Forrest documentation should be updated to reflect
  1840. the changes in MAPREDUCE-744. (Ravi Gummadi via vinodkv)
  1841. MAPREDUCE-1568. TrackerDistributedCacheManager should clean up cache
  1842. in a background thread. (Scott Chen via zshao)
  1843. MAPREDUCE-1749. Move configuration strings out of JobContext so that it
  1844. can be made public stable. (omalley)
  1845. MAPREDUCE-1623. Apply audience and stability notations to Hadoop
  1846. Map-Reduce. (tomwhite via acmurthy)
  1847. MAPREDUCE-1751. Change MapReduce to depend on Hadoop 'common' artifacts
  1848. instead of 'core'. (tomwhite)
  1849. MAPREDUCE-1535. Replace usage of FileStatus#isDir(). (Eli Collins via
  1850. tomwhite)
  1851. MAPREDUCE-1832. Allow file sizes less than 1MB in DFSIO benchmark. (shv)
  1852. MAPREDUCE-1404. Move Cluster-Setup and Single-Node-Setup Docs from
  1853. MapReduce to Common. (tomwhite)
  1854. MAPREDUCE-1697. Document the behavior of -file option and deprecate it
  1855. in favour of -files option in streaming. (Amareshwari Sriramadasu
  1856. via vinodkv)
  1857. MAPREDUCE-1033. Resolve location of scripts and configuration files after
  1858. project split. (tomwhite)
  1859. MAPREDUCE-1018. Document changes to the memory management and scheduling
  1860. model. (Hemanth Yamijala via vinodkv)
  1861. MAPREDUCE-1896. [Herriot] New property for multi user list. (Vinay Thota
  1862. via cos)
  1863. MAPREDUCE-1812. New properties for suspend and resume process. (Vinay
  1864. Thota via cos)
  1865. OPTIMIZATIONS
  1866. MAPREDUCE-270. Fix the tasktracker to optionally send an out-of-band
  1867. heartbeat on task-completion for better job-latency. (acmurthy)
  1868. Configuration changes:
  1869. add mapreduce.tasktracker.outofband.heartbeat
  1870. MAPREDUCE-1186. Modified code in distributed cache to set permissions
  1871. only on required set of localized paths.
  1872. (Amareshwari Sriramadasu via yhemanth)
  1873. MAPREDUCE-1501. FileInputFormat supports multi-level, recursive
  1874. directory listing. (Zheng Shao via dhruba)
  1875. MAPREDUCE-1556. upgrade to Avro 1.3.0. (cutting via tomwhite)
  1876. MAPREDUCE-1613. Install/deploy source jars to Maven repo
  1877. (Patrick Angeles via ddas)
  1878. MAPREDUCE-1610. Forrest documentation should be updated to reflect
  1879. the changes in MAPREDUCE-856. (Ravi Gummadi via vinodkv)
  1880. MAPREDUCE-1853. Adds caching for TaskAttemptContext in MultipleOutputs.
  1881. (Torsten Curdt via amareshwari)
  1882. BUG FIXES
  1883. MAPREDUCE-878. Rename fair scheduler design doc to
  1884. fair-scheduler-design-doc.tex and add Apache license header (matei)
  1885. HADOOP-4687. MapReduce is split from Hadoop Core. It is a subproject under
  1886. Hadoop (Owen O'Malley)
  1887. HADOOP-6096. Fix Eclipse project and classpath files following project
  1888. split. (tomwhite)
  1889. MAPREDUCE-419. Reconcile mapred.userlog.limit.kb defaults in configuration
  1890. and code. (Philip Zeyliger via cdouglas)
  1891. MAPREDUCE-2. Fixes a bug in KeyFieldBasedPartitioner in handling empty
  1892. keys. (Amar Kamat via sharad)
  1893. MAPREDUCE-130. Delete the jobconf copy from the log directory of the
  1894. JobTracker when the job is retired. (Amar Kamat via sharad)
  1895. MAPREDUCE-657. Fix hardcoded filesystem problem in CompletedJobStatusStore.
  1896. (Amar Kamat via sharad)
  1897. MAPREDUCE-179. Update progress in new RecordReaders. (cdouglas)
  1898. MAPREDUCE-658. Replace NPE in distcp with a meaningful error message when
  1899. the source path does not exist. (Ravi Gummadi via cdouglas)
  1900. MAPREDUCE-671. Update ignore list to include untracked, generated
  1901. build artifacts and config files. (cdouglas)
  1902. MAPREDUCE-433. Use more reliable counters in TestReduceFetch. (cdouglas)
  1903. MAPREDUCE-124. Fix a bug in failure handling of abort task of
  1904. OutputCommiter. (Amareshwari Sriramadasu via sharad)
  1905. MAPREDUCE-694. Fix to add jsp-api jars to capacity-scheduler classpath.
  1906. (Giridharan Kesavan)
  1907. MAPREDUCE-702. Fix eclipse-plugin jar target (Giridharan Kesavan)
  1908. MAPREDUCE-522. Replace TestQueueCapacities with simpler test case to
  1909. test integration between capacity scheduler and MR framework.
  1910. (Sreekanth Ramakrishnan via yhemanth)
  1911. MAPREDUCE-683. Fixes an initialization problem in the JobHistory.
  1912. The initialization of JobHistoryFilesManager is now done in the
  1913. JobHistory.init call. (Amar Kamat via ddas)
  1914. MAPREDUCE-708. Fixes a bug to allow updating the reason for
  1915. blacklisting a node on the JobTracker UI.
  1916. (Sreekanth Ramakrishnan via yhemanth)
  1917. MAPREDUCE-709. Fixes message displayed for a blacklisted node where
  1918. the reason for blacklisting is due to the health check script
  1919. timing out. (Sreekanth Ramakrishnan via yhemanth)
  1920. MAPREDUCE-676. Existing diagnostic rules fail for MAP ONLY jobs.
  1921. (Suhas Gogate via tomwhite)
  1922. MAPREDUCE-722. Fixes a bug with tasktracker reservations for
  1923. high memory jobs in capacity scheduler.
  1924. (Vinod Kumar Vavilapalli via yhemanth)
  1925. HADOOP-6090. Updates gridmix script to use new mapreduce api output
  1926. format. (Amareshwari Sriramadasu via sharad)
  1927. MAPREDUCE-732. Removed spurious log statements in the node
  1928. blacklisting logic. (Sreekanth Ramakrishnan via yhemanth)
  1929. MAPREDUCE-734. Fix a ConcurrentModificationException in unreserving
  1930. unused reservations for a job when it completes.
  1931. (Arun Murthy and Sreekanth Ramakrishnan via yhemanth)
  1932. MAPREDUCE-733. Fix a RuntimeException while unreserving trackers
  1933. that are blacklisted for a job.
  1934. (Arun Murthy and Sreekanth Ramakrishnan via yhemanth)
  1935. MAPREDUCE-677. Fix timeout in TestNodeRefresh. (Amar Kamat via
  1936. sharad)
  1937. MAPREDUCE-153. Fix timeout in TestJobInProgressListener. (Amar
  1938. Kamat via sharad)
  1939. MAPREDUCE-742. Fix output messages and java comments in the Pi related
  1940. examples. (szetszwo)
  1941. MAPREDUCE-565. Fix partitioner to work with new API. (Owen O'Malley via
  1942. cdouglas)
  1943. MAPREDUCE-680. Fix so MRUnit can handle reuse of Writable objects.
  1944. (Aaron Kimball via johan)
  1945. MAPREDUCE-18. Puts some checks for cross checking whether a reduce
  1946. task gets the correct shuffle data. (Ravi Gummadi via ddas)
  1947. MAPREDUCE-771. Fix scheduling of setup and cleanup tasks to use
  1948. free slots instead of tasks for scheduling. (yhemanth)
  1949. MAPREDUCE-717. Fixes some corner case issues in speculative
  1950. execution heuristics. (Devaraj Das)
  1951. MAPREDUCE-716. Make DBInputFormat work with Oracle. (Aaron Kimball
  1952. via tomwhite)
  1953. MAPREDUCE-735. Fixes a problem in the KeyFieldHelper to do with
  1954. the end index for some inputs (Amar Kamat via ddas)
  1955. MAPREDUCE-682. Removes reservations on tasktrackers which are
  1956. blacklisted. (Sreekanth Ramakrishnan via yhemanth)
  1957. MAPREDUCE-743. Fixes a problem to do with progress reporting
  1958. in the map phase. (Ravi Gummadi via ddas)
  1959. MAPREDUCE-765. Eliminate the deprecated warnings introduced by H-5438.
  1960. (He Yongqiang via szetszwo)
  1961. MAPREDUCE-383. Fix a bug in Pipes combiner due to bytes count not
  1962. getting reset after the spill. (Christian Kunz via sharad)
  1963. MAPREDUCE-809. Fix job-summary logs to correctly record status of FAILED
  1964. and KILLED jobs. (acmurthy)
  1965. MAPREDUCE-792. Fix unchecked warnings in DBInputFormat. (Aaron Kimball
  1966. via szetszwo)
  1967. MAPREDUCE-760. Fix a timing issue in TestNodeRefresh. (Amar Kamat via
  1968. sharad)
  1969. MAPREDUCE-40. Keep memory management backwards compatible for job
  1970. configuration parameters and limits. (Rahul Kumar Singh via yhemanth)
  1971. MAPREDUCE-587. Fixes a OOM issue in TestStreamingExitStatus.
  1972. (Amar Kamat via ddas)
  1973. MAPREDUCE-408. Fixes an assertion problem in TestKillSubProcesses
  1974. (Ravi Gummadi via ddas)
  1975. MAPREDUCE-659. Fix gridmix2 compilation. (Giridharan Kesavan)
  1976. MAPREDUCE-796. Fixes a ClassCastException in an exception log in
  1977. MultiThreadedMapRunner. (Amar Kamat via ddas)
  1978. MAPREDUCE-808. Fixes a serialization problem in TypedBytes.
  1979. (Klaas Bosteels via ddas)
  1980. MAPREDUCE-845. Fix a findbugs heap size problem in build.xml and add
  1981. a new property findbugs.heap.size. (Lee Tucker via szetszwo)
  1982. MAPREDUCE-838. Fixes a problem in the way commit of task outputs
  1983. happens. The bug was that even if commit failed, the task would
  1984. be declared as successful. (Amareshwari Sriramadasu via ddas)
  1985. MAPREDUCE-813. Updates Streaming and M/R tutorial documents.
  1986. (Corinne Chandel via ddas)
  1987. MAPREDUCE-805. Fixes some deadlocks in the JobTracker due to the fact
  1988. the JobTracker lock hierarchy wasn't maintained in some JobInProgress
  1989. method calls. (Amar Kamat via ddas)
  1990. MAPREDUCE-799. Fixes so all of the MRUnit self-tests run.
  1991. (Aaron Kimball via johan)
  1992. MAPREDUCE-848. Fixes a problem to do with TestCapacityScheduler
  1993. failing (Amar Kamat via ddas)
  1994. MAPREDUCE-840. DBInputFormat leaves open transaction.
  1995. (Aaron Kimball via tomwhite)
  1996. MAPREDUCE-859. Adds Avro and its dependencies required by Hadoop
  1997. common. (Ravi Gummadi via sharad)
  1998. MAPREDUCE-867. Fix ivy conf to look for avro jar from maven repo.
  1999. (Giridharan Kesavan)
  2000. MAPREDUCE-877. Added avro as a dependency to contrib ivy settings.
  2001. (Tsz Wo (Nicholas) Sze via yhemanth)
  2002. MAPREDUCE-852. In build.xml, remove the Main-Class, which is incorrectly
  2003. set in tools, and rename the target "tools-jar" to "tools". (szetszwo)
  2004. MAPREDUCE-773. Sends progress reports for compressed gzip inputs in maps.
  2005. Fixes a native direct buffer leak in LineRecordReader classes.
  2006. (Hong Tang and ddas)
  2007. MAPREDUCE-832. Reduce number of warning messages printed when
  2008. deprecated memory variables are used. (Rahul Kumar Singh via yhemanth)
  2009. MAPREDUCE-745. Fixes a testcase problem to do with generation of JobTracker
  2010. IDs. (Amar Kamat via ddas)
  2011. MAPREDUCE-834. Enables memory management on tasktrackers when old
  2012. memory management parameters are used in configuration.
  2013. (Sreekanth Ramakrishnan via yhemanth)
  2014. MAPREDUCE-818. Fixes Counters#getGroup API. (Amareshwari Sriramadasu
  2015. via sharad)
  2016. MAPREDUCE-807. Handles the AccessControlException during the deletion of
  2017. mapred.system.dir in the JobTracker. The JobTracker will bail out if it
  2018. encounters such an exception. (Amar Kamat via ddas)
  2019. MAPREDUCE-430. Fix a bug related to task getting stuck in case of
  2020. OOM error. (Amar Kamat via ddas)
  2021. MAPREDUCE-871. Fix ownership of Job/Task local files to have correct
  2022. group ownership according to the egid of the tasktracker.
  2023. (Vinod Kumar Vavilapalli via yhemanth)
  2024. MAPREDUCE-911. Fix a bug in TestTaskFail related to speculative
  2025. execution. (Amareshwari Sriramadasu via sharad)
  2026. MAPREDUCE-687. Fix an assertion in TestMiniMRMapRedDebugScript.
  2027. (Amareshwari Sriramadasu via sharad)
  2028. MAPREDUCE-924. Fixes the TestPipes testcase to use Tool.
  2029. (Amareshwari Sriramadasu via sharad)
  2030. MAPREDUCE-903. Add Avro jar to eclipse classpath.
  2031. (Philip Zeyliger via tomwhite)
  2032. MAPREDUCE-943. Removes a testcase in TestNodeRefresh that doesn't make
  2033. sense in the new Job recovery model. (Amar Kamat via ddas)
  2034. MAPREDUCE-764. TypedBytesInput's readRaw() does not preserve custom type
  2035. codes. (Klaas Bosteels via tomwhite)
  2036. HADOOP-6243. Fixes a NullPointerException in handling deprecated keys.
  2037. (Sreekanth Ramakrishnan via yhemanth)
  2038. MAPREDUCE-968. NPE in distcp encountered when placing _logs directory on
  2039. S3FileSystem. (Aaron Kimball via tomwhite)
  2040. MAPREDUCE-826. harchive doesn't use ToolRunner / harchive returns 0 even
  2041. if the job fails with exception (koji Noguchi via mahadev)
  2042. MAPREDUCE-839. unit test TestMiniMRChildTask fails on mac os-x (hong tang
  2043. via mahadev)
  2044. MAPREDUCE-112. Add counters for reduce input, output records to the new API.
  2045. (Jothi Padmanabhan via cdouglas)
  2046. MAPREDUCE-648. Fix two distcp bugs: (1) it should not launch a job if all
  2047. src paths are directories, and (2) it does not skip copying when updating
  2048. a single file. (Ravi Gummadi via szetszwo)
  2049. MAPREDUCE-946. Fix a regression in LineRecordReader where the
  2050. maxBytesToConsume parameter is not set correctly. (cdouglas)
  2051. MAPREDUCE-977. Missing jackson jars from Eclipse template. (tomwhite)
  2052. MAPREDUCE-988. Fix a packaging issue in the contrib modules. (Hong Tang via
  2053. cdouglas)
  2054. MAPREDUCE-971. distcp does not always remove distcp.tmp.dir. (Aaron Kimball
  2055. via tomwhite)
  2056. MAPREDUCE-995. Fix a bug in JobHistory where tasks completing after the job
  2057. is closed cause a NPE. (Jothi Padmanabhan via cdouglas)
  2058. MAPREDUCE-953. Fix QueueManager to dump queue configuration in JSON format.
  2059. (V.V. Chaitanya Krishna via yhemanth)
  2060. MAPREDUCE-645. Prevent distcp from running a job when the destination is a
  2061. file, but the source is not. (Ravi Gummadi via cdouglas)
  2062. MAPREDUCE-1002. Flushed writer in JobQueueClient so queue information is
  2063. printed correctly. (V.V. Chaitanya Krishna via yhemanth)
  2064. MAPREDUCE-1003. Fix compilation problem in eclipse plugin when
  2065. eclipse.home is set. (Ravi Gummadi via yhemanth)
  2066. MAPREDUCE-941. Vaidya script fails on Solaris. (Chad Metcalf
  2067. via tomwhite)
  2068. MAPREDUCE-912. Add and standardize Apache license headers. (Chad Metcalf
  2069. via cdouglas)
  2070. MAPREDUCE-1022. Fix compilation of vertica testcases. (Vinod Kumar
  2071. Vavilapalli via acmurthy)
  2072. MAPREDUCE-1000. Handle corrupt history files in JobHistory.initDone().
  2073. (Jothi Padmanabhan via sharad)
  2074. MAPREDUCE-1028. Fixed number of slots occupied by cleanup tasks to one
  2075. irrespective of slot size for the job.
  2076. (Ravi Gummadi via yhemanth)
  2077. MAPREDUCE-964. Fixed start and finish times of TaskStatus to be
  2078. consistent, thereby fixing inconsistencies in metering tasks.
  2079. (Sreekanth Ramakrishnan via yhemanth)
  2080. MAPREDUCE-1076. Deprecate ClusterStatus and add javadoc in ClusterMetrics.
  2081. (Amareshwari Sriramadasu via sharad)
  2082. MAPREDUCE-979. Fixed JobConf APIs related to memory parameters to return
  2083. values of new configuration variables when deprecated variables are
  2084. disabled. (Sreekanth Ramakrishnan via yhemanth)
  2085. MAPREDUCE-1030. Modified scheduling algorithm to return a map and reduce
  2086. task per heartbeat in the capacity scheduler.
  2087. (Rahul Kumar Singh via yhemanth)
  2088. MAPREDUCE-1071. Use DataInputStream rather than FSDataInputStream in the
  2089. JobHistory EventReader. (Hong Tang via cdouglas)
  2090. MAPREDUCE-986. Fix Rumen to work with truncated task lines. (Dick King via
  2091. cdouglas)
  2092. MAPREDUCE-1029. Fix failing TestCopyFiles by restoring the unzipping of
  2093. HDFS webapps from the hdfs jar. (Aaron Kimball and Jothi Padmanabhan via
  2094. cdouglas)
  2095. MAPREDUCE-769. Make findbugs and javac warnings to zero.
  2096. (Amareshwari Sriramadasu via sharad)
  2097. MAPREDUCE-1104. Initialize RecoveryManager in JobTracker cstr called by
  2098. Mumak. (Hong Tang via cdouglas)
  2099. MAPREDUCE-1061. Add unit test validating byte specifications for gridmix
  2100. jobs. (cdouglas)
  2101. MAPREDUCE-1077. Fix Rumen so that truncated tasks do not mark the job as
  2102. successful. (Dick King via cdouglas)
  2103. MAPREDUCE-1041. Make TaskInProgress::taskStatuses map package-private.
  2104. (Jothi Padmanabhan via cdouglas)
  2105. MAPREDUCE-1070. Prevent a deadlock in the fair scheduler servlet.
  2106. (Todd Lipcon via cdouglas)
  2107. MAPREDUCE-1086. Setup Hadoop logging environment for tasks to point to
  2108. task related parameters. (Ravi Gummadi via yhemanth)
  2109. MAPREDUCE-1105. Remove max limit configuration in capacity scheduler in
  2110. favor of max capacity percentage thus allowing the limit to go over
  2111. queue capacity. (Rahul Kumar Singh via yhemanth)
  2112. MAPREDUCE-1016. Make the job history log format JSON. (cutting)
  2113. MAPREDUCE-1038. Weave Mumak aspects only if related files have changed.
  2114. (Aaron Kimball via cdouglas)
  2115. MAPREDUCE-1163. Remove unused, hard-coded paths from libhdfs. (Allen
  2116. Wittenauer via cdouglas)
  2117. MAPREDUCE-962. Fix a NullPointerException while killing task process
  2118. trees. (Ravi Gummadi via yhemanth)
  2119. MAPREDUCE-1177. Correct setup/cleanup inversion in
  2120. JobTracker::getTaskReports. (Vinod Kumar Vavilapalli via cdouglas)
  2121. MAPREDUCE-1178. Fix ClassCastException in MultipleInputs by adding
  2122. a DelegatingRecordReader. (Amareshwari Sriramadasu and Jay Booth
  2123. via sharad)
  2124. MAPREDUCE-1068. Fix streaming job to show proper message if file is
  2125. is not present. (Amareshwari Sriramadasu via sharad)
  2126. MAPREDUCE-1147. Add map output counters to new API. (Amar Kamat via
  2127. cdouglas)
  2128. MAPREDUCE-915. The debug scripts are run as the job user. (ddas)
  2129. MAPREDUCE-1007. Fix NPE in CapacityTaskScheduler.getJobs().
  2130. (V.V.Chaitanya Krishna via sharad)
  2131. MAPREDUCE-28. Refactor TestQueueManager and fix default ACLs.
  2132. (V.V.Chaitanya Krishna and Rahul K Singh via sharad)
  2133. MAPREDUCE-1182. Fix overflow in reduce causing allocations to exceed the
  2134. configured threshold. (cdouglas)
  2135. MAPREDUCE-1239. Fix contrib components build dependencies.
  2136. (Giridharan Kesavan and omalley)
  2137. MAPREDUCE-787. Fix JobSubmitter to honor user given symlink path.
  2138. (Amareshwari Sriramadasu via sharad)
  2139. MAPREDUCE-1249. Update config default value for socket read timeout to
  2140. match code default. (Amareshwari Sriramadasu via cdouglas)
  2141. MAPREDUCE-1161. Remove ineffective synchronization in NotificationTestCase.
  2142. (Owen O'Malley via cdouglas)
  2143. MAPREDUCE-1244. Fix eclipse-plugin's build dependencies. (gkesavan)
  2144. MAPREDUCE-1075. Fix JobTracker to not throw an NPE for a non-existent
  2145. queue. (V.V.Chaitanya Krishna via yhemanth)
  2146. MAPREDUCE-754. Fix NPE in expiry thread when a TT is lost. (Amar Kamat
  2147. via sharad)
  2148. MAPREDUCE-1074. Document Reducer mark/reset functionality. (Jothi
  2149. Padmanabhan via cdouglas)
  2150. MAPREDUCE-1267. Fix typo in mapred-default.xml. (Todd Lipcon via cdouglas)
  2151. MAPREDUCE-952. Remove inadvertently reintroduced Task.Counter enum. (Jothi
  2152. Padmanabhan via cdouglas)
  2153. MAPREDUCE-1230. Fix handling of null records in VerticaInputFormat. (Omer
  2154. Trajman via cdouglas)
  2155. MAPREDUCE-1171. Allow shuffle retries and read-error reporting to be
  2156. configurable. (Amareshwari Sriramadasu via acmurthy)
  2157. MAPREDUCE-879. Fix broken unit test TestTaskTrackerLocalization on MacOS.
  2158. (Sreekanth Ramakrishnan via yhemanth)
  2159. MAPREDUCE-1124. Fix imprecise byte counts in Gridmix. (cdouglas)
  2160. MAPREDUCE-1222. Add an option to exclude numeric IP addresses in topologies
  2161. processed by Mumak. (Hong Tang via cdouglas)
  2162. MAPREDUCE-1284. Fix fts_open() call in task-controller that was failing
  2163. LinuxTaskController unit tests. (Ravi Gummadi via yhemanth)
  2164. MAPREDUCE-1143. Fix running task counters to be updated correctly
  2165. when speculative attempts are running for a TIP.
  2166. (Rahul Kumar Singh via yhemanth)
  2167. MAPREDUCE-1241. Use a default queue configuration in JobTracker when
  2168. mapred-queues.xml is unavailable. (Todd Lipcon via cdouglas)
  2169. MAPREDUCE-1301. Fix set up of permission checking script used in
  2170. localization tests. (Amareshwari Sriramadasu via yhemanth)
  2171. MAPREDUCE-1286. Remove quoting from client opts in TaskRunner. (Yuri
  2172. Pradkin via cdouglas)
  2173. MAPREDUCE-1059. Use distcp.bytes.per.map when adding sync markers in
  2174. distcp. (Aaron Kimball via cdouglas)
  2175. MAPREDUCE-1009. Update forrest documentation describing hierarchical
  2176. queues. (Vinod Kumar Vavilapalli via yhemanth)
  2177. MAPREDUCE-1342. Fixed deadlock in global blacklisting of tasktrackers.
  2178. (Amareshwari Sriramadasu via acmurthy)
  2179. MAPREDUCE-1316. Fixes a memory leak of TaskInProgress instances in
  2180. the jobtracker. (Amar Kamat via yhemanth)
  2181. MAPREDUCE-1359. TypedBytes TestIO doesn't mkdir its test dir first.
  2182. (Anatoli Fomenko via cos)
  2183. MAPREDUCE-1314. Correct errant mapreduce.x.mapreduce.x replacements from
  2184. bulk change. (Amareshwari Sriramadasu via cdouglas)
  2185. MAPREDUCE-1365. Restore accidentally renamed test in
  2186. TestTaskTrackerBloacklisting. (Amareshwari Sriramadasu via cdouglas)
  2187. MAPREDUCE-1406. Fix spelling of JobContext.MAP_COMBINE_MIN_SPILLS.
  2188. (cdouglas)
  2189. MAPREDUCE-1369. JUnit tests should never depend on anything in conf
  2190. (Anatoli Fomenko via cos)
  2191. MAPREDUCE-1412. Fix timer granularity issue causing failures in
  2192. TestTaskTrackerBlacklisting. (cdouglas)
  2193. MAPREDUCE-1448. Respect --config option in Mumak script. (Hong Tang via
  2194. cdouglas)
  2195. MAPREDUCE-1251. c++ utils doesn't compile. (Eli Collins via tomwhite)
  2196. MAPREDUCE-1522. FileInputFormat may use the default FileSystem for the
  2197. input path. (Tsz Wo (Nicholas), SZE via cdouglas)
  2198. MAPREDUCE-1407. Update javadoc in mapreduce.{Mapper,Reducer} to match
  2199. actual usage. (Benoit Sigoure via cdouglas)
  2200. MAPREDUCE-1258. Fix fair scheduler event log not logging job info.
  2201. (matei)
  2202. MAPREDUCE-1089. Fix NPE in fair scheduler preemption when tasks are
  2203. scheduled but not running. (Todd Lipcon via matei)
  2204. MAPREDUCE-1014. Fix the libraries for common and hdfs. (omalley)
  2205. MAPREDUCE-1111. JT Jetty UI not working if we run mumak.sh
  2206. off packaged distribution directory. (hong tang via mahadev)
  2207. MAPREDUCE-1133. Eclipse .classpath template has outdated jar files and is
  2208. missing some new ones. (cos)
  2209. MAPREDUCE-1098. Fixed the distributed-cache to not do i/o while holding a
  2210. global lock. (Amareshwari Sriramadasu via acmurthy)
  2211. MAPREDUCE-1158. Fix JT running maps and running reduces metrics.
  2212. (sharad)
  2213. MAPREDUCE-1160. Reduce verbosity of log lines in some Map/Reduce classes
  2214. to avoid filling up jobtracker logs on a busy cluster.
  2215. (Ravi Gummadi and Hong Tang via yhemanth)
  2216. MAPREDUCE-1153. Fix tasktracker metrics when trackers are decommissioned.
  2217. (sharad)
  2218. MAPREDUCE-1128. Fix MRUnit to prohibit iterating over values twice. (Aaron
  2219. Kimball via cdouglas)
  2220. MAPREDUCE-665. Move libhdfs to HDFS subproject. (Eli Collins via dhruba)
  2221. MAPREDUCE-1196. Fix FileOutputCommitter to use the deprecated cleanupJob
  2222. api correctly. (acmurthy)
  2223. MAPREDUCE-1244. Fix eclipse-plugin's build dependencies. (gkesavan)
  2224. MAPREDUCE-1140. Fix DistributedCache to not decrement reference counts for
  2225. unreferenced files in error conditions.
  2226. (Amareshwari Sriramadasu via yhemanth)
  2227. MAPREDUCE-1245. Fix TestFairScheduler failures by instantiating lightweight
  2228. Jobtracker. (sharad)
  2229. MAPREDUCE-1260. Update Eclipse configuration to match changes to Ivy
  2230. configuration. (Edwin Chan via cos)
  2231. MAPREDUCE-1152. Distinguish between failed and killed tasks in
  2232. JobTrackerInstrumentation. (Sharad Agarwal via cdouglas)
  2233. MAPREDUCE-1285. In DistCp.deleteNonexisting(..), get class from the
  2234. parameter instead of using FileStatus.class. (Peter Romianowski via
  2235. szetszwo)
  2236. MAPREDUCE-1294. Build fails to pull latest hadoop-core-* artifacts (cos)
  2237. MAPREDUCE-1213. TaskTrackers restart is faster because it deletes
  2238. distributed cache directory asynchronously. (Zheng Shao via dhruba)
  2239. MAPREDUCE-1265. The task attempt error log prints the name of the
  2240. tasktracker machine. (Scott Chen via dhruba)
  2241. MAPREDUCE-1201. ProcfsBasedProcessTree collects CPU usage information.
  2242. (Scott Chen via dhruba)
  2243. MAPREDUCE-1326. fi tests don't use fi-site.xml (cos)
  2244. MAPREDUCE-1165. Replace non-portable function name with C99 equivalent.
  2245. (Allen Wittenauer via cdouglas)
  2246. MAPREDUCE-1331. Fixes a typo in a testcase (Devaraj Das)
  2247. MAPREDUCE-1293. AutoInputFormat doesn't work with non-default FileSystems.
  2248. (Andrew Hitchcock via tomwhite)
  2249. MAPREDUCE-1131. Using profilers other than hprof can cause JobClient to
  2250. report job failure. (Aaron Kimball via tomwhite)
  2251. MAPREDUCE-1155. Streaming tests swallow exceptions.
  2252. (Todd Lipcon via tomwhite)
  2253. MAPREDUCE-1212. Mapreduce contrib project ivy dependencies are not included
  2254. in binary target. (Aaron Kimball via tomwhite)
  2255. MAPREDUCE-1388. Move the HDFS RAID package from HDFS to MAPREDUCE.
  2256. (Eli Collins via dhruba)
  2257. MAPREDUCE-1322. Defines default value for staging directory to be user
  2258. based fixing a failing streaming test.
  2259. (Devaraj Das and Amareshwari Sriramadasu via yhemanth)
  2260. MAPREDUCE-899. Modified LinuxTaskController to check that task-controller
  2261. has right permissions and ownership before performing any actions.
  2262. (Amareshwari Sriramadasu via yhemanth)
  2263. MAPREDUCE-1443. DBInputFormat can leak connections.
  2264. (Aaron Kimball via tomwhite)
  2265. MAPREDUCE-1457. Fixes JobTracker to get the FileSystem object within
  2266. getStagingAreaDir within a privileged block. Fixes Child.java to use the
  2267. appropriate UGIs while getting the TaskUmbilicalProtocol proxy and
  2268. while executing the task. (Jakob Homan via ddas)
  2269. MAPREDUCE-1399. The archive command shows a null error message (nicholas
  2270. via mahadev)
  2271. MAPREDUCE-1305. Improve efficiency of distcp -delete. (Peter Romianowski
  2272. via cdouglas)
  2273. MAPREDUCE-1474. Update forrest documentation for Hadoop Archives. (Mahadev
  2274. Konar via cdouglas)
  2275. MAPREDUCE-1400. Use tr rather than sed to effect literal substitution in
  2276. the build script. (Allen Wittenauer via cdouglas)
  2277. MAPREDUCE-1358. Avoid false positives in OutputLogFilter. (Todd Lipcon via
  2278. cdouglas)
  2279. MAPREDUCE-1490. Fix a NullPointerException that could occur during
  2280. instantiation and initialization of the DistributedRaidFileSystem.
  2281. (Rodrigo Schmidt via dhruba)
  2282. MAPREDUCE-1476. Fix the M/R framework to not call commit for special
  2283. tasks like job setup/cleanup and task cleanup.
  2284. (Amareshwari Sriramadasu via yhemanth)
  2285. MAPREDUCE-1398. Fix TaskLauncher to stop waiting for slots on a TIP that
  2286. is killed / failed.
  2287. (Amareshwari Sriramadasu via yhemanth)
  2288. MAPREDUCE-1491. The parity files created by the RAID are combined
  2289. using Hadoop Archive Files (HAR). (Rodrigo Schmidt via dhruba)
  2290. MAPREDUCE-1378. URL encode link in jobhistory.jsp to avoid errors caused by
  2291. unescaped characters. (E. Sammer via cdouglas)
  2292. MAPREDUCE-1519. RaidNode fails to create new parity file
  2293. if an older version already exists. (Rodrigo Schmidt via dhruba)
  2294. MAPREDUCE-1537. Fixes a compilation problem in a testcase after commit
  2295. HDFS-984. (Jitendra Nath Pandey via ddas)
  2296. MAPREDUCE-1537. The patch makes the job client call the getDelegationToken
  2297. only when security is enabled. (Jitendra Nath Pandey via ddas)
  2298. MAPREDUCE-1510. RAID should regenerate parity files if they get deleted.
  2299. (Rodrigo Schmidt via dhruba)
  2300. MAPREDUCE-1421. Fix the LinuxTaskController tests failing on trunk after
  2301. the commit of MAPREDUCE-1385. (Amareshwari Sriramadasu via vinodkv)
  2302. MAPREDUCE-1520. Fix TestMiniMRLocalFS failure caused by regression in
  2303. getting user working dir. (Amareshwari Sriramadasu via cdouglas)
  2304. MAPREDUCE-1512. RAID uses HarFileSystem directly instead of
  2305. FileSystem.get (Rodrigo Schmidt via dhruba)
  2306. MAPREDUCE-1435. Fix symlink handling in task work directory when
  2307. cleaning up, essentially to avoid following links.
  2308. (Ravi Gummadi via yhemanth)
  2309. MAPREDUCE-1518. RaidNode does not run the deletion check on the
  2310. directory that stores the parity files. (Rodrigo Schmidt via dhruba)
  2311. MAPREDUCE-1573. TestStreamingAsDifferentUser fails if run as tt_user.
  2312. (Ravi Gummadi via vinodkv)
  2313. MAPREDUCE-927. Cleanup of task-logs should happen in TaskTracker instead
  2314. of the Child. (Amareshwari Sriramadasu via vinodkv)
  2315. MAPREDUCE-1578. Decouple HadoopArchives vesrion from HarFileSystem version.
  2316. (Rodrigo Schmidt via szetszwo)
  2317. MAPREDUCE-1422. Fix cleanup of localized job directory to work if files
  2318. with non-deletable permissions are created within it.
  2319. (Amar Kamat via yhemanth)
  2320. MAPREDUCE-1306. Randomize the arrival of heartbeat responses in Mumak.
  2321. (Tamas Sarlos via cdouglas)
  2322. MAPREDUCE-1579. archive: check and possibly replace the space charater
  2323. in source paths. (szetszwo)
  2324. MAPREDUCE-1536. DataDrivenDBInputFormat does not split date columns correctly.
  2325. (Aaron Kimball via enis)
  2326. MAPREDUCE-890. After HADOOP-4491, the user who started mapred system is
  2327. not able to run job. (Ravi Gummadi via vinodkv)
  2328. MAPREDUCE-1615. Fix compilation of TestSubmitJob. (cdouglas)
  2329. MAPREDUCE-1508. Protect against NPE in TestMultipleLevelCaching. (Aaron
  2330. Kimball via cdouglas)
  2331. MAPREDUCE-1497. Suppress spurious findbugs warning about IndexCache
  2332. synchronization. (Amareshwari Sriramadasu via cdouglas)
  2333. MAPREDUCE-1420. Fix TestTTResourceReporting failure. (Scott Chen via
  2334. cdouglas)
  2335. MAPREDUCE-1480. Correctly initialize child RecordReaders in
  2336. CombineFileInputFormat. (Aaron Kimball via cdouglas)
  2337. MAPREDUCE-1348. Fix block forensics packaging. (Tom White via cdouglas)
  2338. MAPREDUCE-1628. HarFileSystem shows incorrect replication numbers and
  2339. permissions. (szetszwo via mahadev)
  2340. MAPREDUCE-1602. Fix the error message for the case that src does not
  2341. exist. (szetszwo)
  2342. MAPREDUCE-1585. Create Hadoop Archives version 2 with filenames
  2343. URL-encoded (rodrigo via mahadev)
  2344. MAPREDUCE-1523. Sometimes rumen trace generator fails to extract the job
  2345. finish time. (dick king via mahadev)
  2346. MAPREDUCE-1635. ResourceEstimator does not work after MAPREDUCE-842.
  2347. (Amareshwari Sriramadasu via vinodkv)
  2348. MAPREDUCE-889. binary communication formats added to Streaming by
  2349. HADOOP-1722 should be documented. (Klaas Bosteels via tomwhite)
  2350. MAPREDUCE-1031. ant tar target doens't seem to compile tests in contrib
  2351. projects. (Aaron Kimball via tomwhite)
  2352. MAPREDUCE-1692. Removed unused testcase TestStreamedMerge.
  2353. (Sreekanth Ramakrishnan and Amareshwari Sriramadasu via yhemanth)
  2354. MAPREDUCE-1062. Fix ReliabilityTest to work with retired jobs. (Sreekanth
  2355. Ramakrishnan via cdouglas)
  2356. MAPREDUCE-1409. IOExceptions thrown from FIleOutputCommitter::abortTask
  2357. should cause the task to fail. (Amareshwari Sriramadasu via cdouglas)
  2358. MAPREDUCE-1695. Include capacity scheduler in findbugs and javadoc-dev
  2359. targets and also fix existing warnings. (Hong Tang via yhemanth)
  2360. MAPREDUCE-1494. Ensure TestJobDirCleanup verifies the correct paths.
  2361. (Amareshwari Sriramadasu via cdouglas)
  2362. MAPREDUCE-1622. Include missing slf4j dependencies. (cdouglas)
  2363. MAPREDUCE-1515. Accept java5.home from build.properties, not only from the
  2364. command line when building forrest docs. (Al Thompson via cdouglas)
  2365. MAPREDUCE-1618. Add missing javadoc to JobStatus::*JobAcls. (Amareshwari
  2366. Sriramadasu via cdouglas)
  2367. MAPREDUCE-1219. Remove job level metrics from jobtracker metrics to ease
  2368. undue load on jobtracker. (Sreekanth Ramakrishnan via sharad)
  2369. MAPREDUCE-1604. Add Forrest documentation for Job ACLs.
  2370. (Amareshwari Sriramadasu via yhemanth)
  2371. MAPREDUCE-1705. Archiving and Purging of HDFS parity files should
  2372. handle globbed policies accurately. (Rodrigo Schmidt via dhruba)
  2373. MAPREDUCE-1612. job conf file is not accessible from job history web page.
  2374. (Ravi Gummadi and Sreekanth Ramakrishnan via vinodkv)
  2375. MAPREDUCE-1397. NullPointerException observed during task failures.
  2376. (Amareshwari Sriramadasu via vinodkv)
  2377. MAPREDUCE-1728. Oracle timezone strings do not match Java.
  2378. (Aaron Kimball via tomwhite)
  2379. MAPREDUCE-1609. TaskTracker.localizeJob should not set permissions on
  2380. job log directory recursively. (Amareshwari Sriramadasu via vinodkv)
  2381. MAPREDUCE-1657. After task logs directory is deleted, tasklog servlet
  2382. displays wrong error message about job ACLs. (Ravi Gummadi via vinodkv)
  2383. MAPREDUCE-1727. TestJobACLs fails after HADOOP-6686. (Ravi Gummadi via vinodkv)
  2384. MAPREDUCE-1611. Refresh nodes and refresh queues doesnt work with service
  2385. authorization enabled. (Amar Kamat via vinodkv)
  2386. MAPREDUCE-1276. Correct flaws in the shuffle related to connection setup
  2387. and failure attribution. (Amareshwari Sriramadasu via cdouglas)
  2388. MAPREDUCE-1372. ConcurrentModificationException in JobInProgress.
  2389. (Dick King and Amareshwari Sriramadasu via tomwhite)
  2390. MAPREDUCE-118. Fix Job.getJobID(). (Amareshwari Sriramadasu via sharad)
  2391. MAPREDUCE-913. TaskRunner crashes with NPE resulting in held up slots,
  2392. UNINITIALIZED tasks and hung TaskTracker. (Amareshwari Sriramadasu and
  2393. Sreekanth Ramakrishnan via vinodkv)
  2394. MAPREDUCE-1725. Fix MapReduce API incompatibilities between 0.20 and 0.21.
  2395. (tomwhite)
  2396. MAPREDUCE-1606. TestJobACLs may timeout as there are no slots for launching
  2397. JOB_CLEANUP task. (Ravi Gummadi via vinodkv)
  2398. MAPREDUCE-1765. Correct streaming documentation for StreamXmlRecordReader.
  2399. (Corinne Chandel via amareshwari)
  2400. MAPREDUCE-1880. Fix BigDecimal.divide(..) in the pi example. (szetszwo)
  2401. MAPREDUCE-1885. Revert FileSystem create method that takes CreateFlags
  2402. (MapReduce part of HADOOP-6826). (Ravi Gummadi via tomwhite)
  2403. MAPREDUCE-1870. Harmonize MapReduce JAR library versions with Common and
  2404. HDFS. (tomwhite)
  2405. MAPREDUCE-1791. Remote cluster control functionality needs JavaDocs
  2406. improvement (Konstantin Boudnik)
  2407. MAPREDUCE-1942. 'compile-fault-inject' should never be called directly.
  2408. (Konstantin Boudnik)
  2409. MAPREDUCE-1876. Fixes TaskAttemptStartedEvent to correctly log event type
  2410. for all task types. (Amar Kamat via amareshwari)
  2411. MAPREDUCE-1926. MapReduce distribution is missing build-utils.xml.
  2412. (tomwhite)
  2413. MAPREDUCE-2012. Some contrib tests fail in branch 0.21 and trunk.
  2414. (Amareshwari Sriramadasu via tomwhite)
  2415. MAPREDUCE-1980. Fixes TaskAttemptUnsuccessfulCompletionEvent and
  2416. TaskAttemptFinishedEvent to correctly log event type for all task types.
  2417. (Amar Kamat via amareshwari)
  2418. MAPREDUCE-1856. Extract a subset of tests for smoke (DOA) validation (cos)