liuzhangxing/hadoop

Автор	SHA1 Съобщение	Дата
Devaraj Das	53dd4ade7e HADOOP-1862. reduces are getting stuck trying to find map outputs. (Arun C. Murthy via ddas)	преди 18 години
Owen O'Malley	0ec3db23d4 HADOOP-1535. Fix the comparator used to merge in reduce phase.	преди 18 години
Doug Cutting	1ac5ebefb5 HADOOP-1485. Add metrics for monitoring shuffle. Contributed by Devaraj.	преди 18 години
Doug Cutting	da05424124 HADOOP-1514. Make reducers report progress while waiting for map output, so they're not killed. Contributed by Vivek.	преди 18 години
Doug Cutting	4b70f8e760 HADOOP-1518. Add a session id to job metrics, for use by HOD. Contributed by David Bowen.	преди 18 години
Doug Cutting	b75990951c HADOOP-1462. Improve task progress reporting. Contributed by Vivek Ratan.	преди 18 години
Doug Cutting	92a6133032 HADOOP-1320. Rewrite RandomWriter example to bypass reduce. Contributed by Arun.	преди 18 години
Doug Cutting	aa8733d346 HADOOP-1431. Fix so that sort progress reporting during map truns only while sorting so that stuck maps are correctly terminated. Contributed by Arun & Devaraj.	преди 18 години
Doug Cutting	307ec14f3a HADOOP-1387. A number of minor 'performance' code cleanups suggested by findbugs. Contributed by Arun.	преди 18 години
Doug Cutting	b0ad18bfed HADOOP-1252. Changed MapReduce's allocation of local files to use round-robin among configured devices, rather than a hashcode, also improving error handling. Contributed by Devaraj.	преди 18 години
Doug Cutting	a2eea72216 HADOOP-1270. Randomize the fetch of map outputs, speeding the shuffle. Contributed by Arun.	преди 18 години
Doug Cutting	7d04f3502d HADOOP-1144. Permit one to specify the maximum percentage of tasks that can fail before a job is aborted. Contributed by Arun.	преди 18 години
Doug Cutting	3c757ccded HADOOP-485. Allow a different comparator for grouping keys in calls to reduce. Contributed by Tahir.	преди 18 години
Thomas White	9ee3cd355c HADOOP-1127. Fix AlreadyBeingCreatedException in namenode for jobs run with speculative execution.	преди 18 години
Thomas White	2d5dfb1813 HADOOP-1152. Fix race condition in MapOutputCopier.copyOutput file rename causing possible reduce task hang. Contributed by Tahir Hashmi.	преди 18 години
Doug Cutting	91c1614934 HADOOP-1148. More indentation and spacing fixes.	преди 18 години
Thomas White	c002c20f14 HADOOP-1190. Fix unchecked warnings in mapred package.	преди 18 години
Doug Cutting	ff1a25733f HADOOP-1148. More re-indentation.	преди 18 години
Doug Cutting	b89bba0acb HADOOP-968. Move shuffle and sort code to run in child JVM, rather than in TaskTracker. Contributed by Devaraj.	преди 18 години
Doug Cutting	dab0af46bf HADOOP-1148. Re-indent all source code to consistently use two spaces per indent level.	преди 18 години
Thomas White	4f9e915f40 HADOOP-1105. Fix reducers to make "progress" while iterating through values. Contributed by Devaraj Das & Owen O'Malley.	преди 18 години
Doug Cutting	47080e57a4 HADOOP-1146. Add a counter for reduce input keys and rename the "reduce input records" counter to be "reduce input groups." Contributed by David Bowen.	преди 18 години
Doug Cutting	c616de29f7 HADOOP-1041. Optimize mapred counter implementation. Contributed by David Bowen.	преди 18 години
Doug Cutting	8683ef340c HADOOP-492. Add counters. Contributed by David Bowen.	преди 18 години
Doug Cutting	d51017f9c2 HADOOP-1007. Make names of metrics used in Hadoop unique. Contributed by Nigel.	преди 18 години
Doug Cutting	022fdcab7b HADOOP-954. Change use of metrics to use callback mechanism. Contributed by David & Nigel.	преди 18 години
Doug Cutting	807756bcc4 HADOOP-758. Fix exception handling during reduce so that root exceptions are not masked by exceptions in cleanups. Contributed by Raghu.	преди 18 години
Doug Cutting	b013acc3c4 HADOOP-830. Improve mapreduce merge performance by buffering and merging map outputs as they arrive at reduce nodes. Contributed by Devaraj.	преди 18 години
Doug Cutting	d77ac32e88 HADOOP-890. Replace dashes in metric names with underscores. Contributed by Nigel.	преди 18 години
Doug Cutting	29ae6d67af HADOOP-836. Fix a MapReduce bug on Windows where the wrong FileSystem was used. Contributed by Owen.	преди 18 години

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