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  228.                        <h5>MapReduce</h5>
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    252. 

  252.                        <h5>MapReduce REST APIs</h5>
    253. 

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    256. 

  256.             </li>
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  257.                   <li class="none">
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  258.                   <a href="../../../../hadoop-mapreduce-client/hadoop-mapreduce-client-hs/HistoryServerRest.html">MR History Server</a>
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  259.             </li>
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  260.           </ul>
    261. 

  261.                        <h5>YARN</h5>
    262. 

  262.                   <ul>
    263. 

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    264. 

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  346.             </li>
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  347.           </ul>
    348. 

  348.                        <h5>YARN REST APIs</h5>
    349. 

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  351.                   <a href="../../../../hadoop-yarn/hadoop-yarn-site/WebServicesIntro.html">Introduction</a>
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  359.                   <li class="none">
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  360.                   <a href="../../../../hadoop-yarn/hadoop-yarn-site/TimelineServer.html#Timeline_Server_REST_API_v1">Timeline Server</a>
    361. 

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  362.                   <li class="none">
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  363.                   <a href="../../../../hadoop-yarn/hadoop-yarn-site/TimelineServiceV2.html#Timeline_Service_v.2_REST_API">Timeline Service V.2</a>
    364. 

  364.             </li>
    365. 

  365.           </ul>
    366. 

  366.                        <h5>YARN Service</h5>
    367. 

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    368. 

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    369. 

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  375.                   <a href="../../../../hadoop-yarn/hadoop-yarn-site/yarn-service/Concepts.html">Concepts</a>
    376. 

  376.             </li>
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  378.                   <a href="../../../../hadoop-yarn/hadoop-yarn-site/yarn-service/YarnServiceAPI.html">Yarn Service API</a>
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  379.             </li>
    380. 

  380.                   <li class="none">
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  381.                   <a href="../../../../hadoop-yarn/hadoop-yarn-site/yarn-service/ServiceDiscovery.html">Service Discovery</a>
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  383.                   <li class="none">
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  384.                   <a href="../../../../hadoop-yarn/hadoop-yarn-site/yarn-service/SystemServices.html">System Services</a>
    385. 

  385.             </li>
    386. 

  386.           </ul>
    387. 

  387.                        <h5>Hadoop Compatible File Systems</h5>
    388. 

  388.                   <ul>
    389. 

  389.                   <li class="none">
    390. 

  390.                   <a href="../../../../hadoop-aliyun/tools/hadoop-aliyun/index.html">Aliyun OSS</a>
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  391.             </li>
    392. 

  392.                   <li class="none">
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  393.                   <a href="../../../../hadoop-aws/tools/hadoop-aws/index.html">Amazon S3</a>
    394. 

  394.             </li>
    395. 

  395.                   <li class="none">
    396. 

  396.                   <a href="../../../../hadoop-azure/index.html">Azure Blob Storage</a>
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  397.             </li>
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    399. 

  399.                   <a href="../../../../hadoop-azure-datalake/index.html">Azure Data Lake Storage</a>
    400. 

  400.             </li>
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  401.                   <li class="none">
    402. 

  402.                   <a href="../../../../hadoop-cos/cloud-storage/index.html">Tencent COS</a>
    403. 

  403.             </li>
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  404.                   <li class="none">
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  405.                   <a href="../../../../hadoop-huaweicloud/index.html">Huaweicloud OBS</a>
    406. 

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    408. 

  408.                   <a href="../../../../hadoop-tos/cloud-storage/index.html">VolcanoEngine TOS</a>
    409. 

  409.             </li>
    410. 

  410.           </ul>
    411. 

  411.                        <h5>Auth</h5>
    412. 

  412.                   <ul>
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    414. 

  414.                   <a href="../../../../hadoop-auth/index.html">Overview</a>
    415. 

  415.             </li>
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  417.                   <a href="../../../../hadoop-auth/Examples.html">Examples</a>
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  420.                   <a href="../../../../hadoop-auth/Configuration.html">Configuration</a>
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  423.                   <a href="../../../../hadoop-auth/BuildingIt.html">Building</a>
    424. 

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  425.           </ul>
    426. 

  426.                        <h5>Tools</h5>
    427. 

  427.                   <ul>
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    429. 

  429.                   <a href="../../../../hadoop-streaming/HadoopStreaming.html">Hadoop Streaming</a>
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    432. 

  432.                   <a href="../../../../hadoop-archives/HadoopArchives.html">Hadoop Archives</a>
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  433.             </li>
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  434.                   <li class="none">
    435. 

  435.                   <a href="../../../../hadoop-archive-logs/HadoopArchiveLogs.html">Hadoop Archive Logs</a>
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  436.             </li>
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  437.                   <li class="none">
    438. 

  438.                   <a href="../../../../hadoop-distcp/DistCp.html">DistCp</a>
    439. 

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  440.                   <li class="none">
    441. 

  441.                   <a href="../../../../hadoop-federation-balance/HDFSFederationBalance.html">HDFS Federation Balance</a>
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    443. 

  443.                   <li class="none">
    444. 

  444.                   <a href="../../../../hadoop-gridmix/GridMix.html">GridMix</a>
    445. 

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    446. 

  446.                   <li class="none">
    447. 

  447.                   <a href="../../../../hadoop-rumen/Rumen.html">Rumen</a>
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    449. 

  449.                   <li class="none">
    450. 

  450.                   <a href="../../../../hadoop-resourceestimator/ResourceEstimator.html">Resource Estimator Service</a>
    451. 

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    452. 

  452.                   <li class="none">
    453. 

  453.                   <a href="../../../../hadoop-sls/SchedulerLoadSimulator.html">Scheduler Load Simulator</a>
    454. 

  454.             </li>
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  456.                   <a href="../../../../hadoop-project-dist/hadoop-common/Benchmarking.html">Hadoop Benchmarking</a>
    457. 

  457.             </li>
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  458.                   <li class="none">
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  459.                   <a href="../../../../hadoop-dynamometer/Dynamometer.html">Dynamometer</a>
    460. 

  460.             </li>
    461. 

  461.           </ul>
    462. 

  462.                        <h5>Reference</h5>
    463. 

  463.                   <ul>
    464. 

  464.                   <li class="none">
    465. 

  465.                   <a href="../../../../hadoop-project-dist/hadoop-common/release/">Changelog and Release Notes</a>
    466. 

  466.             </li>
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  468.                   <a href="../../../../api/index.html">Java API docs</a>
    469. 

  469.             </li>
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  470.                   <li class="none">
    471. 

  471.                   <a href="../../../../hadoop-project-dist/hadoop-common/UnixShellAPI.html">Unix Shell API</a>
    472. 

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    474. 

  474.                   <a href="../../../../hadoop-project-dist/hadoop-common/Metrics.html">Metrics</a>
    475. 

  475.             </li>
    476. 

  476.           </ul>
    477. 

  477.                        <h5>Configuration</h5>
    478. 

  478.                   <ul>
    479. 

  479.                   <li class="none">
    480. 

  480.                   <a href="../../../../hadoop-project-dist/hadoop-common/core-default.xml">core-default.xml</a>
    481. 

  481.             </li>
    482. 

  482.                   <li class="none">
    483. 

  483.                   <a href="../../../../hadoop-project-dist/hadoop-hdfs/hdfs-default.xml">hdfs-default.xml</a>
    484. 

  484.             </li>
    485. 

  485.                   <li class="none">
    486. 

  486.                   <a href="../../../../hadoop-project-dist/hadoop-hdfs-rbf/hdfs-rbf-default.xml">hdfs-rbf-default.xml</a>
    487. 

  487.             </li>
    488. 

  488.                   <li class="none">
    489. 

  489.                   <a href="../../../../hadoop-mapreduce-client/hadoop-mapreduce-client-core/mapred-default.xml">mapred-default.xml</a>
    490. 

  490.             </li>
    491. 

  491.                   <li class="none">
    492. 

  492.                   <a href="../../../../hadoop-yarn/hadoop-yarn-common/yarn-default.xml">yarn-default.xml</a>
    493. 

  493.             </li>
    494. 

  494.                   <li class="none">
    495. 

  495.                   <a href="../../../../hadoop-kms/kms-default.html">kms-default.xml</a>
    496. 

  496.             </li>
    497. 

  497.                   <li class="none">
    498. 

  498.                   <a href="../../../../hadoop-hdfs-httpfs/httpfs-default.html">httpfs-default.xml</a>
    499. 

  499.             </li>
    500. 

  500.                   <li class="none">
    501. 

  501.                   <a href="../../../../hadoop-project-dist/hadoop-common/DeprecatedProperties.html">Deprecated Properties</a>
    502. 

  502.             </li>
    503. 

  503.           </ul>
    504. 

  504.                                  <a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy">
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  505.           <img alt="Built by Maven" src="../../images/logos/maven-feather.png"/>
    506. 

  506.         </a>
    507. 

  507.                        
    508. 

  508.                                </div>
    509. 

  509.     </div>
    510. 

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  513. # Licensed to the Apache Software Foundation (ASF) under one
    514. 

  514. # or more contributor license agreements.  See the NOTICE file
    515. 

  515. # distributed with this work for additional information
    516. 

  516. # regarding copyright ownership.  The ASF licenses this file
    517. 

  517. # to you under the Apache License, Version 2.0 (the
    518. 

  518. # "License"); you may not use this file except in compliance
    519. 

  519. # with the License.  You may obtain a copy of the License at
    520. 

  520. #
    521. 

  521. #     http://www.apache.org/licenses/LICENSE-2.0
    522. 

  522. #
    523. 

  523. # Unless required by applicable law or agreed to in writing, software
    524. 

  524. # distributed under the License is distributed on an "AS IS" BASIS,
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  525. # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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  526. # See the License for the specific language governing permissions and
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  527. # limitations under the License.
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  528. -->
    529. 

  529. <h1>Apache Hadoop Changelog</h1><section>
    530. 

  530. <h2><a name="Release_0.20.205.0_-_2011-10-06"></a>Release 0.20.205.0 - 2011-10-06</h2><section>
    531. 

  531. <h3><a name="INCOMPATIBLE_CHANGES:"></a>INCOMPATIBLE CHANGES:</h3>
    532. 

  532. <table border="0" class="bodyTable">
    533. 

  533. <thead>
    534. 

  534. 

  535. <tr class="a">
    536. 

  536. <th align="left"> JIRA </th>
    537. 

  537. <th align="left"> Summary </th>
    538. 

  538. <th align="left"> Priority </th>
    539. 

  539. <th align="left"> Component </th>
    540. 

  540. <th align="left"> Reporter </th>
    541. 

  541. <th align="left"> Contributor </th></tr>
    542. 

  542. </thead><tbody>
    543. 

  543. 

  544. <tr class="b">
    545. 

  545. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-630">HDFS-630</a> </td>
    546. 

  546. <td align="left"> In DFSOutputStream.nextBlockOutputStream(), the client can exclude specific datanodes when locating the next block. </td>
    547. 

  547. <td align="left">  Major </td>
    548. 

  548. <td align="left"> hdfs-client, namenode </td>
    549. 

  549. <td align="left"> Ruyue Ma </td>
    550. 

  550. <td align="left"> Cosmin Lehene </td></tr>
    551. 

  551. <tr class="a">
    552. 

  552. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1554">HDFS-1554</a> </td>
    553. 

  553. <td align="left"> Append 0.20: New semantics for recoverLease </td>
    554. 

  554. <td align="left">  Major </td>
    555. 

  555. <td align="left"> . </td>
    556. 

  556. <td align="left"> Hairong Kuang </td>
    557. 

  557. <td align="left"> Hairong Kuang </td></tr>
    558. 

  558. <tr class="b">
    559. 

  559. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2202">HDFS-2202</a> </td>
    560. 

  560. <td align="left"> Changes to balancer bandwidth should not require datanode restart. </td>
    561. 

  561. <td align="left">  Major </td>
    562. 

  562. <td align="left"> balancer &amp; mover, datanode </td>
    563. 

  563. <td align="left"> Eric Payne </td>
    564. 

  564. <td align="left"> Eric Payne </td></tr>
    565. 

  565. </tbody>
    566. 

  566. </table></section><section>
    567. 

  567. <h3><a name="NEW_FEATURES:"></a>NEW FEATURES:</h3>
    568. 

  568. <table border="0" class="bodyTable">
    569. 

  569. <thead>
    570. 

  570. 

  571. <tr class="a">
    572. 

  572. <th align="left"> JIRA </th>
    573. 

  573. <th align="left"> Summary </th>
    574. 

  574. <th align="left"> Priority </th>
    575. 

  575. <th align="left"> Component </th>
    576. 

  576. <th align="left"> Reporter </th>
    577. 

  577. <th align="left"> Contributor </th></tr>
    578. 

  578. </thead><tbody>
    579. 

  579. 

  580. <tr class="b">
    581. 

  581. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-200">HDFS-200</a> </td>
    582. 

  582. <td align="left"> In HDFS, sync() not yet guarantees data available to the new readers </td>
    583. 

  583. <td align="left">  Blocker </td>
    584. 

  584. <td align="left"> . </td>
    585. 

  585. <td align="left"> Tsz Wo Nicholas Sze </td>
    586. 

  586. <td align="left"> dhruba borthakur </td></tr>
    587. 

  587. <tr class="a">
    588. 

  588. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1520">HDFS-1520</a> </td>
    589. 

  589. <td align="left"> HDFS 20 append: Lightweight NameNode operation to trigger lease recovery </td>
    590. 

  590. <td align="left">  Major </td>
    591. 

  591. <td align="left"> namenode </td>
    592. 

  592. <td align="left"> Hairong Kuang </td>
    593. 

  593. <td align="left"> Hairong Kuang </td></tr>
    594. 

  594. <tr class="b">
    595. 

  595. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7594">HADOOP-7594</a> </td>
    596. 

  596. <td align="left"> Support HTTP REST in HttpServer </td>
    597. 

  597. <td align="left">  Major </td>
    598. 

  598. <td align="left"> . </td>
    599. 

  599. <td align="left"> Tsz Wo Nicholas Sze </td>
    600. 

  600. <td align="left"> Tsz Wo Nicholas Sze </td></tr>
    601. 

  601. <tr class="a">
    602. 

  602. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7119">HADOOP-7119</a> </td>
    603. 

  603. <td align="left"> add Kerberos HTTP SPNEGO authentication support to Hadoop JT/NN/DN/TT web-consoles </td>
    604. 

  604. <td align="left">  Major </td>
    605. 

  605. <td align="left"> security </td>
    606. 

  606. <td align="left"> Alejandro Abdelnur </td>
    607. 

  607. <td align="left"> Alejandro Abdelnur </td></tr>
    608. 

  608. <tr class="b">
    609. 

  609. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-6889">HADOOP-6889</a> </td>
    610. 

  610. <td align="left"> Make RPC to have an option to timeout </td>
    611. 

  611. <td align="left">  Major </td>
    612. 

  612. <td align="left"> ipc </td>
    613. 

  613. <td align="left"> Hairong Kuang </td>
    614. 

  614. <td align="left"> John George </td></tr>
    615. 

  615. <tr class="a">
    616. 

  616. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-2777">MAPREDUCE-2777</a> </td>
    617. 

  617. <td align="left"> Backport MAPREDUCE-220 to Hadoop 20 security branch </td>
    618. 

  618. <td align="left">  Major </td>
    619. 

  619. <td align="left"> . </td>
    620. 

  620. <td align="left"> Jonathan Eagles </td>
    621. 

  621. <td align="left"> Amar Kamat </td></tr>
    622. 

  622. </tbody>
    623. 

  623. </table></section><section>
    624. 

  624. <h3><a name="IMPROVEMENTS:"></a>IMPROVEMENTS:</h3>
    625. 

  625. <table border="0" class="bodyTable">
    626. 

  626. <thead>
    627. 

  627. 

  628. <tr class="a">
    629. 

  629. <th align="left"> JIRA </th>
    630. 

  630. <th align="left"> Summary </th>
    631. 

  631. <th align="left"> Priority </th>
    632. 

  632. <th align="left"> Component </th>
    633. 

  633. <th align="left"> Reporter </th>
    634. 

  634. <th align="left"> Contributor </th></tr>
    635. 

  635. </thead><tbody>
    636. 

  636. 

  637. <tr class="b">
    638. 

  638. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-826">HDFS-826</a> </td>
    639. 

  639. <td align="left"> Allow a mechanism for an application to detect that datanode(s)  have died in the write pipeline </td>
    640. 

  640. <td align="left">  Major </td>
    641. 

  641. <td align="left"> hdfs-client </td>
    642. 

  642. <td align="left"> dhruba borthakur </td>
    643. 

  643. <td align="left"> dhruba borthakur </td></tr>
    644. 

  644. <tr class="a">
    645. 

  645. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1054">HDFS-1054</a> </td>
    646. 

  646. <td align="left"> Remove unnecessary sleep after failure in nextBlockOutputStream </td>
    647. 

  647. <td align="left">  Major </td>
    648. 

  648. <td align="left"> hdfs-client </td>
    649. 

  649. <td align="left"> Todd Lipcon </td>
    650. 

  650. <td align="left"> Todd Lipcon </td></tr>
    651. 

  651. <tr class="b">
    652. 

  652. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1210">HDFS-1210</a> </td>
    653. 

  653. <td align="left"> DFSClient should log exception when block recovery fails </td>
    654. 

  654. <td align="left">  Trivial </td>
    655. 

  655. <td align="left"> hdfs-client </td>
    656. 

  656. <td align="left"> Todd Lipcon </td>
    657. 

  657. <td align="left"> Todd Lipcon </td></tr>
    658. 

  658. <tr class="a">
    659. 

  659. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1211">HDFS-1211</a> </td>
    660. 

  660. <td align="left"> 0.20 append: Block receiver should not log &#x201c;rewind&#x201d; packets at INFO level </td>
    661. 

  661. <td align="left">  Minor </td>
    662. 

  662. <td align="left"> datanode </td>
    663. 

  663. <td align="left"> Todd Lipcon </td>
    664. 

  664. <td align="left"> Todd Lipcon </td></tr>
    665. 

  665. <tr class="b">
    666. 

  666. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-895">HDFS-895</a> </td>
    667. 

  667. <td align="left"> Allow hflush/sync to occur in parallel with new writes to the file </td>
    668. 

  668. <td align="left">  Major </td>
    669. 

  669. <td align="left"> hdfs-client </td>
    670. 

  670. <td align="left"> dhruba borthakur </td>
    671. 

  671. <td align="left"> Todd Lipcon </td></tr>
    672. 

  672. <tr class="a">
    673. 

  673. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1555">HDFS-1555</a> </td>
    674. 

  674. <td align="left"> HDFS 20 append: Disallow pipeline recovery if a file is already being lease recovered </td>
    675. 

  675. <td align="left">  Major </td>
    676. 

  676. <td align="left"> . </td>
    677. 

  677. <td align="left"> Hairong Kuang </td>
    678. 

  678. <td align="left"> Hairong Kuang </td></tr>
    679. 

  679. <tr class="b">
    680. 

  680. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7343">HADOOP-7343</a> </td>
    681. 

  681. <td align="left"> backport HADOOP-7008 and HADOOP-7042 to branch-0.20-security </td>
    682. 

  682. <td align="left">  Minor </td>
    683. 

  683. <td align="left"> test </td>
    684. 

  684. <td align="left"> Thomas Graves </td>
    685. 

  685. <td align="left"> Thomas Graves </td></tr>
    686. 

  686. <tr class="a">
    687. 

  687. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7432">HADOOP-7432</a> </td>
    688. 

  688. <td align="left"> Back-port HADOOP-7110 to 0.20-security </td>
    689. 

  689. <td align="left">  Major </td>
    690. 

  690. <td align="left"> . </td>
    691. 

  691. <td align="left"> Sherry Chen </td>
    692. 

  692. <td align="left"> Sherry Chen </td></tr>
    693. 

  693. <tr class="b">
    694. 

  694. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7314">HADOOP-7314</a> </td>
    695. 

  695. <td align="left"> Add support for throwing UnknownHostException when a host doesn&#x2019;t resolve </td>
    696. 

  696. <td align="left">  Major </td>
    697. 

  697. <td align="left"> . </td>
    698. 

  698. <td align="left"> Jeffrey Naisbitt </td>
    699. 

  699. <td align="left"> Jeffrey Naisbitt </td></tr>
    700. 

  700. <tr class="a">
    701. 

  701. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-2494">MAPREDUCE-2494</a> </td>
    702. 

  702. <td align="left"> Make the distributed cache delete entires using LRU priority </td>
    703. 

  703. <td align="left">  Major </td>
    704. 

  704. <td align="left"> distributed-cache </td>
    705. 

  705. <td align="left"> Robert Joseph Evans </td>
    706. 

  706. <td align="left"> Robert Joseph Evans </td></tr>
    707. 

  707. <tr class="b">
    708. 

  708. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-2729">MAPREDUCE-2729</a> </td>
    709. 

  709. <td align="left"> Reducers are always counted having &#x201c;pending tasks&#x201d; even if they can&#x2019;t be scheduled yet because not enough of their mappers have completed </td>
    710. 

  710. <td align="left">  Major </td>
    711. 

  711. <td align="left"> . </td>
    712. 

  712. <td align="left"> Sherry Chen </td>
    713. 

  713. <td align="left"> Sherry Chen </td></tr>
    714. 

  714. <tr class="a">
    715. 

  715. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7472">HADOOP-7472</a> </td>
    716. 

  716. <td align="left"> RPC client should deal with the IP address changes </td>
    717. 

  717. <td align="left">  Minor </td>
    718. 

  718. <td align="left"> ipc </td>
    719. 

  719. <td align="left"> Kihwal Lee </td>
    720. 

  720. <td align="left"> Kihwal Lee </td></tr>
    721. 

  721. <tr class="b">
    722. 

  722. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-2981">MAPREDUCE-2981</a> </td>
    723. 

  723. <td align="left"> Backport trunk fairscheduler to 0.20-security branch </td>
    724. 

  724. <td align="left">  Major </td>
    725. 

  725. <td align="left"> contrib/fair-share </td>
    726. 

  726. <td align="left"> Matei Zaharia </td>
    727. 

  727. <td align="left"> Matei Zaharia </td></tr>
    728. 

  728. <tr class="a">
    729. 

  729. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7707">HADOOP-7707</a> </td>
    730. 

  730. <td align="left"> improve config generator to allow users to specify proxy user, turn append on or off, turn webhdfs on or off </td>
    731. 

  731. <td align="left">  Major </td>
    732. 

  732. <td align="left"> conf </td>
    733. 

  733. <td align="left"> Arpit Gupta </td>
    734. 

  734. <td align="left"> Arpit Gupta </td></tr>
    735. 

  735. <tr class="b">
    736. 

  736. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7720">HADOOP-7720</a> </td>
    737. 

  737. <td align="left"> improve the hadoop-setup-conf.sh to read in the hbase user and setup the configs </td>
    738. 

  738. <td align="left">  Major </td>
    739. 

  739. <td align="left"> conf </td>
    740. 

  740. <td align="left"> Arpit Gupta </td>
    741. 

  741. <td align="left"> Arpit Gupta </td></tr>
    742. 

  742. <tr class="a">
    743. 

  743. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7655">HADOOP-7655</a> </td>
    744. 

  744. <td align="left"> provide a small validation script that smoke tests the installed cluster </td>
    745. 

  745. <td align="left">  Major </td>
    746. 

  746. <td align="left"> . </td>
    747. 

  747. <td align="left"> Arpit Gupta </td>
    748. 

  748. <td align="left"> Arpit Gupta </td></tr>
    749. 

  749. </tbody>
    750. 

  750. </table></section><section>
    751. 

  751. <h3><a name="BUG_FIXES:"></a>BUG FIXES:</h3>
    752. 

  752. <table border="0" class="bodyTable">
    753. 

  753. <thead>
    754. 

  754. 

  755. <tr class="a">
    756. 

  756. <th align="left"> JIRA </th>
    757. 

  757. <th align="left"> Summary </th>
    758. 

  758. <th align="left"> Priority </th>
    759. 

  759. <th align="left"> Component </th>
    760. 

  760. <th align="left"> Reporter </th>
    761. 

  761. <th align="left"> Contributor </th></tr>
    762. 

  762. </thead><tbody>
    763. 

  763. 

  764. <tr class="b">
    765. 

  765. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-606">HDFS-606</a> </td>
    766. 

  766. <td align="left"> ConcurrentModificationException in invalidateCorruptReplicas() </td>
    767. 

  767. <td align="left">  Major </td>
    768. 

  768. <td align="left"> namenode </td>
    769. 

  769. <td align="left"> Konstantin Shvachko </td>
    770. 

  770. <td align="left"> Konstantin Shvachko </td></tr>
    771. 

  771. <tr class="a">
    772. 

  772. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-724">HDFS-724</a> </td>
    773. 

  773. <td align="left"> Pipeline close hangs if one of the datanode is not responsive. </td>
    774. 

  774. <td align="left">  Blocker </td>
    775. 

  775. <td align="left"> datanode, hdfs-client </td>
    776. 

  776. <td align="left"> Tsz Wo Nicholas Sze </td>
    777. 

  777. <td align="left"> Hairong Kuang </td></tr>
    778. 

  778. <tr class="b">
    779. 

  779. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-6722">HADOOP-6722</a> </td>
    780. 

  780. <td align="left"> NetUtils.connect should check that it hasn&#x2019;t connected a socket to itself </td>
    781. 

  781. <td align="left">  Major </td>
    782. 

  782. <td align="left"> util </td>
    783. 

  783. <td align="left"> Todd Lipcon </td>
    784. 

  784. <td align="left"> Todd Lipcon </td></tr>
    785. 

  785. <tr class="a">
    786. 

  786. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-142">HDFS-142</a> </td>
    787. 

  787. <td align="left"> In 0.20, move blocks being written into a blocksBeingWritten directory </td>
    788. 

  788. <td align="left">  Blocker </td>
    789. 

  789. <td align="left"> . </td>
    790. 

  790. <td align="left"> Raghu Angadi </td>
    791. 

  791. <td align="left"> dhruba borthakur </td></tr>
    792. 

  792. <tr class="b">
    793. 

  793. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1141">HDFS-1141</a> </td>
    794. 

  794. <td align="left"> completeFile does not check lease ownership </td>
    795. 

  795. <td align="left">  Blocker </td>
    796. 

  796. <td align="left"> namenode </td>
    797. 

  797. <td align="left"> Todd Lipcon </td>
    798. 

  798. <td align="left"> Todd Lipcon </td></tr>
    799. 

  799. <tr class="a">
    800. 

  800. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1207">HDFS-1207</a> </td>
    801. 

  801. <td align="left"> 0.20-append: stallReplicationWork should be volatile </td>
    802. 

  802. <td align="left">  Major </td>
    803. 

  803. <td align="left"> namenode </td>
    804. 

  804. <td align="left"> Todd Lipcon </td>
    805. 

  805. <td align="left"> Todd Lipcon </td></tr>
    806. 

  806. <tr class="b">
    807. 

  807. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1204">HDFS-1204</a> </td>
    808. 

  808. <td align="left"> 0.20: Lease expiration should recover single files, not entire lease holder </td>
    809. 

  809. <td align="left">  Major </td>
    810. 

  810. <td align="left"> . </td>
    811. 

  811. <td align="left"> Todd Lipcon </td>
    812. 

  812. <td align="left"> sam rash </td></tr>
    813. 

  813. <tr class="a">
    814. 

  814. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1118">HDFS-1118</a> </td>
    815. 

  815. <td align="left"> DFSOutputStream socket leak when cannot connect to DataNode </td>
    816. 

  816. <td align="left">  Major </td>
    817. 

  817. <td align="left"> . </td>
    818. 

  818. <td align="left"> Zheng Shao </td>
    819. 

  819. <td align="left"> Zheng Shao </td></tr>
    820. 

  820. <tr class="b">
    821. 

  821. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1202">HDFS-1202</a> </td>
    822. 

  822. <td align="left"> DataBlockScanner throws NPE when updated before initialized </td>
    823. 

  823. <td align="left">  Major </td>
    824. 

  824. <td align="left"> datanode </td>
    825. 

  825. <td align="left"> Todd Lipcon </td>
    826. 

  826. <td align="left"> Todd Lipcon </td></tr>
    827. 

  827. <tr class="a">
    828. 

  828. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-6833">HADOOP-6833</a> </td>
    829. 

  829. <td align="left"> IPC leaks call parameters when exceptions thrown </td>
    830. 

  830. <td align="left">  Blocker </td>
    831. 

  831. <td align="left"> . </td>
    832. 

  832. <td align="left"> Todd Lipcon </td>
    833. 

  833. <td align="left"> Todd Lipcon </td></tr>
    834. 

  834. <tr class="b">
    835. 

  835. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1346">HDFS-1346</a> </td>
    836. 

  836. <td align="left"> DFSClient receives out of order packet ack </td>
    837. 

  837. <td align="left">  Major </td>
    838. 

  838. <td align="left"> datanode, hdfs-client </td>
    839. 

  839. <td align="left"> Hairong Kuang </td>
    840. 

  840. <td align="left"> Hairong Kuang </td></tr>
    841. 

  841. <tr class="a">
    842. 

  842. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1164">HDFS-1164</a> </td>
    843. 

  843. <td align="left"> TestHdfsProxy is failing </td>
    844. 

  844. <td align="left">  Major </td>
    845. 

  845. <td align="left"> contrib/hdfsproxy </td>
    846. 

  846. <td align="left"> Eli Collins </td>
    847. 

  847. <td align="left"> Todd Lipcon </td></tr>
    848. 

  848. <tr class="b">
    849. 

  849. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-988">HDFS-988</a> </td>
    850. 

  850. <td align="left"> saveNamespace race can corrupt the edits log </td>
    851. 

  851. <td align="left">  Blocker </td>
    852. 

  852. <td align="left"> namenode </td>
    853. 

  853. <td align="left"> dhruba borthakur </td>
    854. 

  854. <td align="left"> Eli Collins </td></tr>
    855. 

  855. <tr class="a">
    856. 

  856. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1836">HDFS-1836</a> </td>
    857. 

  857. <td align="left"> Thousand of CLOSE_WAIT socket </td>
    858. 

  858. <td align="left">  Major </td>
    859. 

  859. <td align="left"> hdfs-client </td>
    860. 

  860. <td align="left"> Dennis Cheung </td>
    861. 

  861. <td align="left"> Bharath Mundlapudi </td></tr>
    862. 

  862. <tr class="b">
    863. 

  863. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7400">HADOOP-7400</a> </td>
    864. 

  864. <td align="left"> HdfsProxyTests fails when the -Dtest.build.dir and -Dbuild.test is set </td>
    865. 

  865. <td align="left">  Major </td>
    866. 

  866. <td align="left"> build </td>
    867. 

  867. <td align="left"> Giridharan Kesavan </td>
    868. 

  868. <td align="left"> Giridharan Kesavan </td></tr>
    869. 

  869. <tr class="a">
    870. 

  870. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-2650">MAPREDUCE-2650</a> </td>
    871. 

  871. <td align="left"> back-port MAPREDUCE-2238 to 0.20-security </td>
    872. 

  872. <td align="left">  Major </td>
    873. 

  873. <td align="left"> . </td>
    874. 

  874. <td align="left"> Sherry Chen </td>
    875. 

  875. <td align="left"> Sherry Chen </td></tr>
    876. 

  876. <tr class="b">
    877. 

  877. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-2324">MAPREDUCE-2324</a> </td>
    878. 

  878. <td align="left"> Job should fail if a reduce task can&#x2019;t be scheduled anywhere </td>
    879. 

  879. <td align="left">  Major </td>
    880. 

  880. <td align="left"> . </td>
    881. 

  881. <td align="left"> Todd Lipcon </td>
    882. 

  882. <td align="left"> Robert Joseph Evans </td></tr>
    883. 

  883. <tr class="a">
    884. 

  884. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-2187">MAPREDUCE-2187</a> </td>
    885. 

  885. <td align="left"> map tasks timeout during sorting </td>
    886. 

  886. <td align="left">  Major </td>
    887. 

  887. <td align="left"> . </td>
    888. 

  888. <td align="left"> Gianmarco De Francisci Morales </td>
    889. 

  889. <td align="left"> Anupam Seth </td></tr>
    890. 

  890. <tr class="b">
    891. 

  891. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2053">HDFS-2053</a> </td>
    892. 

  892. <td align="left"> Bug in INodeDirectory#computeContentSummary warning </td>
    893. 

  893. <td align="left">  Minor </td>
    894. 

  894. <td align="left"> namenode </td>
    895. 

  895. <td align="left"> Michael Noll </td>
    896. 

  896. <td align="left"> Michael Noll </td></tr>
    897. 

  897. <tr class="a">
    898. 

  898. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2117">HDFS-2117</a> </td>
    899. 

  899. <td align="left"> DiskChecker#mkdirsWithExistsAndPermissionCheck may return true even when the dir is not created </td>
    900. 

  900. <td align="left">  Minor </td>
    901. 

  901. <td align="left"> datanode </td>
    902. 

  902. <td align="left"> Eli Collins </td>
    903. 

  903. <td align="left"> Eli Collins </td></tr>
    904. 

  904. <tr class="b">
    905. 

  905. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-2705">MAPREDUCE-2705</a> </td>
    906. 

  906. <td align="left"> tasks localized and launched serially by TaskLauncher - causing other tasks to be delayed </td>
    907. 

  907. <td align="left">  Major </td>
    908. 

  908. <td align="left"> tasktracker </td>
    909. 

  909. <td align="left"> Thomas Graves </td>
    910. 

  910. <td align="left"> Thomas Graves </td></tr>
    911. 

  911. <tr class="a">
    912. 

  912. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2190">HDFS-2190</a> </td>
    913. 

  913. <td align="left"> NN fails to start if it encounters an empty or malformed fstime file </td>
    914. 

  914. <td align="left">  Major </td>
    915. 

  915. <td align="left"> namenode </td>
    916. 

  916. <td align="left"> Aaron T. Myers </td>
    917. 

  917. <td align="left"> Aaron T. Myers </td></tr>
    918. 

  918. <tr class="b">
    919. 

  919. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-2489">MAPREDUCE-2489</a> </td>
    920. 

  920. <td align="left"> Jobsplits with random hostnames can make the queue unusable </td>
    921. 

  921. <td align="left">  Major </td>
    922. 

  922. <td align="left"> jobtracker </td>
    923. 

  923. <td align="left"> Jeffrey Naisbitt </td>
    924. 

  924. <td align="left"> Jeffrey Naisbitt </td></tr>
    925. 

  925. <tr class="a">
    926. 

  926. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2259">HDFS-2259</a> </td>
    927. 

  927. <td align="left"> DN web-UI doesn&#x2019;t work with paths that contain html </td>
    928. 

  928. <td align="left">  Minor </td>
    929. 

  929. <td align="left"> datanode </td>
    930. 

  930. <td align="left"> Eli Collins </td>
    931. 

  931. <td align="left"> Eli Collins </td></tr>
    932. 

  932. <tr class="b">
    933. 

  933. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-2852">MAPREDUCE-2852</a> </td>
    934. 

  934. <td align="left"> Jira for YDH bug 2854624 </td>
    935. 

  935. <td align="left">  Major </td>
    936. 

  936. <td align="left"> tasktracker </td>
    937. 

  937. <td align="left"> Eli Collins </td>
    938. 

  938. <td align="left"> Kihwal Lee </td></tr>
    939. 

  939. <tr class="a">
    940. 

  940. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7539">HADOOP-7539</a> </td>
    941. 

  941. <td align="left"> merge hadoop archive goodness from trunk to .20 </td>
    942. 

  942. <td align="left">  Major </td>
    943. 

  943. <td align="left"> . </td>
    944. 

  944. <td align="left"> John George </td>
    945. 

  945. <td align="left"> John George </td></tr>
    946. 

  946. <tr class="b">
    947. 

  947. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7596">HADOOP-7596</a> </td>
    948. 

  948. <td align="left"> Enable jsvc to work with Hadoop RPM package </td>
    949. 

  949. <td align="left">  Major </td>
    950. 

  950. <td align="left"> build </td>
    951. 

  951. <td align="left"> Eric Yang </td>
    952. 

  952. <td align="left"> Eric Yang </td></tr>
    953. 

  953. <tr class="a">
    954. 

  954. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2309">HDFS-2309</a> </td>
    955. 

  955. <td align="left"> TestRenameWhileOpen fails in branch-0.20-security </td>
    956. 

  956. <td align="left">  Major </td>
    957. 

  957. <td align="left"> . </td>
    958. 

  958. <td align="left"> Jitendra Nath Pandey </td>
    959. 

  959. <td align="left"> Jitendra Nath Pandey </td></tr>
    960. 

  960. <tr class="b">
    961. 

  961. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2320">HDFS-2320</a> </td>
    962. 

  962. <td align="left"> Make merged protocol changes from 0.20-append to 0.20-security compatible with previous releases. </td>
    963. 

  963. <td align="left">  Major </td>
    964. 

  964. <td align="left"> datanode, hdfs-client, namenode </td>
    965. 

  965. <td align="left"> Suresh Srinivas </td>
    966. 

  966. <td align="left"> Suresh Srinivas </td></tr>
    967. 

  967. <tr class="a">
    968. 

  968. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-2610">MAPREDUCE-2610</a> </td>
    969. 

  969. <td align="left"> Inconsistent API JobClient.getQueueAclsForCurrentUser </td>
    970. 

  970. <td align="left">  Major </td>
    971. 

  971. <td align="left"> client </td>
    972. 

  972. <td align="left"> Joep Rottinghuis </td>
    973. 

  973. <td align="left"> Joep Rottinghuis </td></tr>
    974. 

  974. <tr class="b">
    975. 

  975. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-2915">MAPREDUCE-2915</a> </td>
    976. 

  976. <td align="left"> LinuxTaskController does not work when JniBasedUnixGroupsNetgroupMapping or JniBasedUnixGroupsMapping is enabled </td>
    977. 

  977. <td align="left">  Major </td>
    978. 

  978. <td align="left"> task-controller </td>
    979. 

  979. <td align="left"> Kihwal Lee </td>
    980. 

  980. <td align="left"> Kihwal Lee </td></tr>
    981. 

  981. <tr class="a">
    982. 

  982. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7610">HADOOP-7610</a> </td>
    983. 

  983. <td align="left"> /etc/profile.d does not exist on Debian </td>
    984. 

  984. <td align="left">  Major </td>
    985. 

  985. <td align="left"> scripts </td>
    986. 

  986. <td align="left"> Eric Yang </td>
    987. 

  987. <td align="left"> Eric Yang </td></tr>
    988. 

  988. <tr class="b">
    989. 

  989. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7599">HADOOP-7599</a> </td>
    990. 

  990. <td align="left"> Improve hadoop setup conf script to setup secure Hadoop cluster </td>
    991. 

  991. <td align="left">  Major </td>
    992. 

  992. <td align="left"> scripts </td>
    993. 

  993. <td align="left"> Eric Yang </td>
    994. 

  994. <td align="left"> Eric Yang </td></tr>
    995. 

  995. <tr class="a">
    996. 

  996. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7626">HADOOP-7626</a> </td>
    997. 

  997. <td align="left"> Allow overwrite of HADOOP_CLASSPATH and HADOOP_OPTS </td>
    998. 

  998. <td align="left">  Major </td>
    999. 

  999. <td align="left"> scripts </td>
    1000. 

  1000. <td align="left"> Eric Yang </td>
    1001. 

  1001. <td align="left"> Eric Yang </td></tr>
    1002. 

  1002. <tr class="b">
    1003. 

  1003. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-2549">MAPREDUCE-2549</a> </td>
    1004. 

  1004. <td align="left"> Potential resource leaks in HadoopServer.java, RunOnHadoopWizard.java and Environment.java </td>
    1005. 

  1005. <td align="left">  Major </td>
    1006. 

  1006. <td align="left"> contrib/eclipse-plugin, contrib/streaming </td>
    1007. 

  1007. <td align="left"> Devaraj K </td>
    1008. 

  1008. <td align="left"> Devaraj K </td></tr>
    1009. 

  1009. <tr class="a">
    1010. 

  1010. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2328">HDFS-2328</a> </td>
    1011. 

  1011. <td align="left"> hftp throws NPE if security is not enabled on remote cluster </td>
    1012. 

  1012. <td align="left">  Critical </td>
    1013. 

  1013. <td align="left"> . </td>
    1014. 

  1014. <td align="left"> Daryn Sharp </td>
    1015. 

  1015. <td align="left"> Owen O&#x2019;Malley </td></tr>
    1016. 

  1016. <tr class="b">
    1017. 

  1017. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1779">HDFS-1779</a> </td>
    1018. 

  1018. <td align="left"> After NameNode restart , Clients can not read partial files even after client invokes Sync. </td>
    1019. 

  1019. <td align="left">  Major </td>
    1020. 

  1020. <td align="left"> datanode, namenode </td>
    1021. 

  1021. <td align="left"> Uma Maheswara Rao G </td>
    1022. 

  1022. <td align="left"> Uma Maheswara Rao G </td></tr>
    1023. 

  1023. <tr class="a">
    1024. 

  1024. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2331">HDFS-2331</a> </td>
    1025. 

  1025. <td align="left"> Hdfs compilation fails </td>
    1026. 

  1026. <td align="left">  Major </td>
    1027. 

  1027. <td align="left"> hdfs-client </td>
    1028. 

  1028. <td align="left"> Abhijit Suresh Shingate </td>
    1029. 

  1029. <td align="left"> Abhijit Suresh Shingate </td></tr>
    1030. 

  1030. <tr class="b">
    1031. 

  1031. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2333">HDFS-2333</a> </td>
    1032. 

  1032. <td align="left"> HDFS-2284 introduced 2 findbugs warnings on trunk </td>
    1033. 

  1033. <td align="left">  Major </td>
    1034. 

  1034. <td align="left"> . </td>
    1035. 

  1035. <td align="left"> Ivan Kelly </td>
    1036. 

  1036. <td align="left"> Tsz Wo Nicholas Sze </td></tr>
    1037. 

  1037. <tr class="a">
    1038. 

  1038. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7625">HADOOP-7625</a> </td>
    1039. 

  1039. <td align="left"> TestDelegationToken is failing in 205 </td>
    1040. 

  1040. <td align="left">  Major </td>
    1041. 

  1041. <td align="left"> . </td>
    1042. 

  1042. <td align="left"> Owen O&#x2019;Malley </td>
    1043. 

  1043. <td align="left"> Owen O&#x2019;Malley </td></tr>
    1044. 

  1044. <tr class="b">
    1045. 

  1045. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7637">HADOOP-7637</a> </td>
    1046. 

  1046. <td align="left"> Fair scheduler configuration file is not bundled in RPM </td>
    1047. 

  1047. <td align="left">  Major </td>
    1048. 

  1048. <td align="left"> build </td>
    1049. 

  1049. <td align="left"> Eric Yang </td>
    1050. 

  1050. <td align="left"> Eric Yang </td></tr>
    1051. 

  1051. <tr class="a">
    1052. 

  1052. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7631">HADOOP-7631</a> </td>
    1053. 

  1053. <td align="left"> In mapred-site.xml, stream.tmpdir is mapped to ${mapred.temp.dir} which is undeclared. </td>
    1054. 

  1054. <td align="left">  Major </td>
    1055. 

  1055. <td align="left"> conf </td>
    1056. 

  1056. <td align="left"> Ramya Sunil </td>
    1057. 

  1057. <td align="left"> Eric Yang </td></tr>
    1058. 

  1058. <tr class="b">
    1059. 

  1059. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7630">HADOOP-7630</a> </td>
    1060. 

  1060. <td align="left"> hadoop-metrics2.properties should have a property *.period set to a default value foe metrics </td>
    1061. 

  1061. <td align="left">  Major </td>
    1062. 

  1062. <td align="left"> conf </td>
    1063. 

  1063. <td align="left"> Arpit Gupta </td>
    1064. 

  1064. <td align="left"> Eric Yang </td></tr>
    1065. 

  1065. <tr class="a">
    1066. 

  1066. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7633">HADOOP-7633</a> </td>
    1067. 

  1067. <td align="left"> log4j.properties should be added to the hadoop conf on deploy </td>
    1068. 

  1068. <td align="left">  Major </td>
    1069. 

  1069. <td align="left"> conf </td>
    1070. 

  1070. <td align="left"> Arpit Gupta </td>
    1071. 

  1071. <td align="left"> Eric Yang </td></tr>
    1072. 

  1072. <tr class="b">
    1073. 

  1073. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7644">HADOOP-7644</a> </td>
    1074. 

  1074. <td align="left"> Fix the delegation token tests to use the new style renewers </td>
    1075. 

  1075. <td align="left">  Blocker </td>
    1076. 

  1076. <td align="left"> security </td>
    1077. 

  1077. <td align="left"> Owen O&#x2019;Malley </td>
    1078. 

  1078. <td align="left"> Owen O&#x2019;Malley </td></tr>
    1079. 

  1079. <tr class="a">
    1080. 

  1080. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-3076">MAPREDUCE-3076</a> </td>
    1081. 

  1081. <td align="left"> TestSleepJob fails </td>
    1082. 

  1082. <td align="left">  Blocker </td>
    1083. 

  1083. <td align="left"> test </td>
    1084. 

  1084. <td align="left"> Arun C Murthy </td>
    1085. 

  1085. <td align="left"> Arun C Murthy </td></tr>
    1086. 

  1086. <tr class="b">
    1087. 

  1087. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7645">HADOOP-7645</a> </td>
    1088. 

  1088. <td align="left"> HTTP auth tests requiring Kerberos infrastructure are not disabled on branch-0.20-security </td>
    1089. 

  1089. <td align="left">  Blocker </td>
    1090. 

  1090. <td align="left"> security </td>
    1091. 

  1091. <td align="left"> Aaron T. Myers </td>
    1092. 

  1092. <td align="left"> Jitendra Nath Pandey </td></tr>
    1093. 

  1093. <tr class="a">
    1094. 

  1094. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7674">HADOOP-7674</a> </td>
    1095. 

  1095. <td align="left"> TestKerberosName fails in 20 branch. </td>
    1096. 

  1096. <td align="left">  Major </td>
    1097. 

  1097. <td align="left"> . </td>
    1098. 

  1098. <td align="left"> Jitendra Nath Pandey </td>
    1099. 

  1099. <td align="left"> Jitendra Nath Pandey </td></tr>
    1100. 

  1100. <tr class="b">
    1101. 

  1101. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2342">HDFS-2342</a> </td>
    1102. 

  1102. <td align="left"> TestSleepJob and TestHdfsProxy broken after HDFS-2284 </td>
    1103. 

  1103. <td align="left">  Blocker </td>
    1104. 

  1104. <td align="left"> build </td>
    1105. 

  1105. <td align="left"> Kihwal Lee </td>
    1106. 

  1106. <td align="left"> Tsz Wo Nicholas Sze </td></tr>
    1107. 

  1107. <tr class="a">
    1108. 

  1108. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2325">HDFS-2325</a> </td>
    1109. 

  1109. <td align="left"> Fuse-DFS fails to build on Hadoop 20.203.0 </td>
    1110. 

  1110. <td align="left">  Blocker </td>
    1111. 

  1111. <td align="left"> fuse-dfs, libhdfs </td>
    1112. 

  1112. <td align="left"> Charles Earl </td>
    1113. 

  1113. <td align="left"> Kihwal Lee </td></tr>
    1114. 

  1114. <tr class="b">
    1115. 

  1115. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7679">HADOOP-7679</a> </td>
    1116. 

  1116. <td align="left"> log4j.properties templates does not define mapred.jobsummary.logger </td>
    1117. 

  1117. <td align="left">  Major </td>
    1118. 

  1118. <td align="left"> conf </td>
    1119. 

  1119. <td align="left"> Ramya Sunil </td>
    1120. 

  1120. <td align="left"> Ramya Sunil </td></tr>
    1121. 

  1121. <tr class="a">
    1122. 

  1122. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2359">HDFS-2359</a> </td>
    1123. 

  1123. <td align="left"> NPE found in Datanode log while Disk failed during different HDFS operation </td>
    1124. 

  1124. <td align="left">  Major </td>
    1125. 

  1125. <td align="left"> datanode </td>
    1126. 

  1126. <td align="left"> Rajit Saha </td>
    1127. 

  1127. <td align="left"> Jonathan Eagles </td></tr>
    1128. 

  1128. <tr class="b">
    1129. 

  1129. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2375">HDFS-2375</a> </td>
    1130. 

  1130. <td align="left"> TestFileAppend4 fails in 0.20.205 branch </td>
    1131. 

  1131. <td align="left">  Blocker </td>
    1132. 

  1132. <td align="left"> hdfs-client </td>
    1133. 

  1133. <td align="left"> Suresh Srinivas </td>
    1134. 

  1134. <td align="left"> Suresh Srinivas </td></tr>
    1135. 

  1135. <tr class="a">
    1136. 

  1136. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-3081">MAPREDUCE-3081</a> </td>
    1137. 

  1137. <td align="left"> Change the name format for hadoop core and vaidya jar to be hadoop-{core/vaidya}-{version}.jar in vaidya.sh </td>
    1138. 

  1138. <td align="left">  Major </td>
    1139. 

  1139. <td align="left"> contrib/vaidya </td>
    1140. 

  1140. <td align="left"> vitthal (Suhas) Gogate </td>
    1141. 

  1141. <td align="left">  </td></tr>
    1142. 

  1142. <tr class="b">
    1143. 

  1143. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2373">HDFS-2373</a> </td>
    1144. 

  1144. <td align="left"> Commands using webhdfs and hftp print unnecessary debug information on the console with security enabled </td>
    1145. 

  1145. <td align="left">  Major </td>
    1146. 

  1146. <td align="left"> webhdfs </td>
    1147. 

  1147. <td align="left"> Arpit Gupta </td>
    1148. 

  1148. <td align="left"> Arpit Gupta </td></tr>
    1149. 

  1149. <tr class="a">
    1150. 

  1150. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2368">HDFS-2368</a> </td>
    1151. 

  1151. <td align="left"> defaults created for web keytab and principal, these properties should not have defaults </td>
    1152. 

  1152. <td align="left">  Major </td>
    1153. 

  1153. <td align="left"> . </td>
    1154. 

  1154. <td align="left"> Arpit Gupta </td>
    1155. 

  1155. <td align="left"> Tsz Wo Nicholas Sze </td></tr>
    1156. 

  1156. <tr class="b">
    1157. 

  1157. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2361">HDFS-2361</a> </td>
    1158. 

  1158. <td align="left"> hftp is broken </td>
    1159. 

  1159. <td align="left">  Critical </td>
    1160. 

  1160. <td align="left"> namenode </td>
    1161. 

  1161. <td align="left"> Rajit Saha </td>
    1162. 

  1162. <td align="left"> Jitendra Nath Pandey </td></tr>
    1163. 

  1163. <tr class="a">
    1164. 

  1164. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7683">HADOOP-7683</a> </td>
    1165. 

  1165. <td align="left"> hdfs-site.xml template has properties that are not used in 20 </td>
    1166. 

  1166. <td align="left">  Minor </td>
    1167. 

  1167. <td align="left"> . </td>
    1168. 

  1168. <td align="left"> Arpit Gupta </td>
    1169. 

  1169. <td align="left"> Arpit Gupta </td></tr>
    1170. 

  1170. <tr class="b">
    1171. 

  1171. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1260">HDFS-1260</a> </td>
    1172. 

  1172. <td align="left"> 0.20: Block lost when multiple DNs trying to recover it to different genstamps </td>
    1173. 

  1173. <td align="left">  Critical </td>
    1174. 

  1174. <td align="left"> . </td>
    1175. 

  1175. <td align="left"> Todd Lipcon </td>
    1176. 

  1176. <td align="left"> Todd Lipcon </td></tr>
    1177. 

  1177. <tr class="a">
    1178. 

  1178. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1186">HDFS-1186</a> </td>
    1179. 

  1179. <td align="left"> 0.20: DNs should interrupt writers at start of recovery </td>
    1180. 

  1180. <td align="left">  Blocker </td>
    1181. 

  1181. <td align="left"> datanode </td>
    1182. 

  1182. <td align="left"> Todd Lipcon </td>
    1183. 

  1183. <td align="left"> Todd Lipcon </td></tr>
    1184. 

  1184. <tr class="b">
    1185. 

  1185. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1218">HDFS-1218</a> </td>
    1186. 

  1186. <td align="left"> 20 append: Blocks recovered on startup should be treated with lower priority during block synchronization </td>
    1187. 

  1187. <td align="left">  Critical </td>
    1188. 

  1188. <td align="left"> datanode </td>
    1189. 

  1189. <td align="left"> Todd Lipcon </td>
    1190. 

  1190. <td align="left"> Todd Lipcon </td></tr>
    1191. 

  1191. <tr class="a">
    1192. 

  1192. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7691">HADOOP-7691</a> </td>
    1193. 

  1193. <td align="left"> hadoop deb pkg should take a diff group id </td>
    1194. 

  1194. <td align="left">  Major </td>
    1195. 

  1195. <td align="left"> . </td>
    1196. 

  1196. <td align="left"> Giridharan Kesavan </td>
    1197. 

  1197. <td align="left"> Eric Yang </td></tr>
    1198. 

  1198. <tr class="b">
    1199. 

  1199. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7603">HADOOP-7603</a> </td>
    1200. 

  1200. <td align="left"> Set default hdfs, mapred uid, and hadoop group gid for RPM packages </td>
    1201. 

  1201. <td align="left">  Major </td>
    1202. 

  1202. <td align="left"> . </td>
    1203. 

  1203. <td align="left"> Eric Yang </td>
    1204. 

  1204. <td align="left"> Eric Yang </td></tr>
    1205. 

  1205. <tr class="a">
    1206. 

  1206. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7658">HADOOP-7658</a> </td>
    1207. 

  1207. <td align="left"> to fix hadoop config template </td>
    1208. 

  1208. <td align="left">  Major </td>
    1209. 

  1209. <td align="left"> . </td>
    1210. 

  1210. <td align="left"> Giridharan Kesavan </td>
    1211. 

  1211. <td align="left"> Eric Yang </td></tr>
    1212. 

  1212. <tr class="b">
    1213. 

  1213. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7684">HADOOP-7684</a> </td>
    1214. 

  1214. <td align="left"> jobhistory server and secondarynamenode should have init.d script </td>
    1215. 

  1215. <td align="left">  Major </td>
    1216. 

  1216. <td align="left"> scripts </td>
    1217. 

  1217. <td align="left"> Eric Yang </td>
    1218. 

  1218. <td align="left"> Eric Yang </td></tr>
    1219. 

  1219. <tr class="a">
    1220. 

  1220. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-3112">MAPREDUCE-3112</a> </td>
    1221. 

  1221. <td align="left"> Calling hadoop cli inside mapreduce job leads to errors </td>
    1222. 

  1222. <td align="left">  Major </td>
    1223. 

  1223. <td align="left"> contrib/streaming </td>
    1224. 

  1224. <td align="left"> Eric Yang </td>
    1225. 

  1225. <td align="left"> Eric Yang </td></tr>
    1226. 

  1226. <tr class="b">
    1227. 

  1227. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7715">HADOOP-7715</a> </td>
    1228. 

  1228. <td align="left"> see log4j Error when running mr jobs and certain dfs calls </td>
    1229. 

  1229. <td align="left">  Major </td>
    1230. 

  1230. <td align="left"> conf </td>
    1231. 

  1231. <td align="left"> Arpit Gupta </td>
    1232. 

  1232. <td align="left"> Eric Yang </td></tr>
    1233. 

  1233. <tr class="a">
    1234. 

  1234. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7711">HADOOP-7711</a> </td>
    1235. 

  1235. <td align="left"> hadoop-env.sh generated from templates has duplicate info </td>
    1236. 

  1236. <td align="left">  Major </td>
    1237. 

  1237. <td align="left"> conf </td>
    1238. 

  1238. <td align="left"> Arpit Gupta </td>
    1239. 

  1239. <td align="left"> Arpit Gupta </td></tr>
    1240. 

  1240. <tr class="b">
    1241. 

  1241. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7681">HADOOP-7681</a> </td>
    1242. 

  1242. <td align="left"> log4j.properties is missing properties for security audit and hdfs audit should be changed to info </td>
    1243. 

  1243. <td align="left">  Minor </td>
    1244. 

  1244. <td align="left"> conf </td>
    1245. 

  1245. <td align="left"> Arpit Gupta </td>
    1246. 

  1246. <td align="left"> Arpit Gupta </td></tr>
    1247. 

  1247. <tr class="a">
    1248. 

  1248. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7708">HADOOP-7708</a> </td>
    1249. 

  1249. <td align="left"> config generator does not update the properties file if on exists already </td>
    1250. 

  1250. <td align="left">  Critical </td>
    1251. 

  1251. <td align="left"> conf </td>
    1252. 

  1252. <td align="left"> Arpit Gupta </td>
    1253. 

  1253. <td align="left"> Eric Yang </td></tr>
    1254. 

  1254. <tr class="b">
    1255. 

  1255. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2358">HDFS-2358</a> </td>
    1256. 

  1256. <td align="left"> NPE when the default filesystem&#x2019;s uri has no authority </td>
    1257. 

  1257. <td align="left">  Major </td>
    1258. 

  1258. <td align="left"> namenode </td>
    1259. 

  1259. <td align="left"> Rajit Saha </td>
    1260. 

  1260. <td align="left"> Daryn Sharp </td></tr>
    1261. 

  1261. <tr class="a">
    1262. 

  1262. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2392">HDFS-2392</a> </td>
    1263. 

  1263. <td align="left"> Dist with hftp is failing again </td>
    1264. 

  1264. <td align="left">  Critical </td>
    1265. 

  1265. <td align="left"> namenode </td>
    1266. 

  1266. <td align="left"> Rajit Saha </td>
    1267. 

  1267. <td align="left"> Daryn Sharp </td></tr>
    1268. 

  1268. <tr class="b">
    1269. 

  1269. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2408">HDFS-2408</a> </td>
    1270. 

  1270. <td align="left"> DFSClient#getNumCurrentReplicas is package private in 205 but public in branch-0.20-append </td>
    1271. 

  1271. <td align="left">  Blocker </td>
    1272. 

  1272. <td align="left"> hdfs-client </td>
    1273. 

  1273. <td align="left"> stack </td>
    1274. 

  1274. <td align="left"> stack </td></tr>
    1275. 

  1275. <tr class="a">
    1276. 

  1276. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7721">HADOOP-7721</a> </td>
    1277. 

  1277. <td align="left"> dfs.web.authentication.kerberos.principal expects the full hostname and does not replace _HOST with the hostname </td>
    1278. 

  1278. <td align="left">  Major </td>
    1279. 

  1279. <td align="left"> . </td>
    1280. 

  1280. <td align="left"> Arpit Gupta </td>
    1281. 

  1281. <td align="left"> Jitendra Nath Pandey </td></tr>
    1282. 

  1282. <tr class="b">
    1283. 

  1283. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2405">HDFS-2405</a> </td>
    1284. 

  1284. <td align="left"> hadoop dfs command with webhdfs fails on secure hadoop </td>
    1285. 

  1285. <td align="left">  Critical </td>
    1286. 

  1286. <td align="left"> webhdfs </td>
    1287. 

  1287. <td align="left"> Arpit Gupta </td>
    1288. 

  1288. <td align="left"> Jitendra Nath Pandey </td></tr>
    1289. 

  1289. <tr class="a">
    1290. 

  1290. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7724">HADOOP-7724</a> </td>
    1291. 

  1291. <td align="left"> hadoop-setup-conf.sh should put proxy user info into the core-site.xml </td>
    1292. 

  1292. <td align="left">  Major </td>
    1293. 

  1293. <td align="left"> . </td>
    1294. 

  1294. <td align="left"> Giridharan Kesavan </td>
    1295. 

  1295. <td align="left"> Arpit Gupta </td></tr>
    1296. 

  1296. <tr class="b">
    1297. 

  1297. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-2764">MAPREDUCE-2764</a> </td>
    1298. 

  1298. <td align="left"> Fix renewal of dfs delegation tokens </td>
    1299. 

  1299. <td align="left">  Major </td>
    1300. 

  1300. <td align="left"> . </td>
    1301. 

  1301. <td align="left"> Daryn Sharp </td>
    1302. 

  1302. <td align="left"> Owen O&#x2019;Malley </td></tr>
    1303. 

  1303. <tr class="a">
    1304. 

  1304. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7602">HADOOP-7602</a> </td>
    1305. 

  1305. <td align="left"> wordcount, sort etc on har files fails with NPE </td>
    1306. 

  1306. <td align="left">  Major </td>
    1307. 

  1307. <td align="left"> . </td>
    1308. 

  1308. <td align="left"> John George </td>
    1309. 

  1309. <td align="left"> John George </td></tr>
    1310. 

  1310. <tr class="b">
    1311. 

  1311. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7649">HADOOP-7649</a> </td>
    1312. 

  1312. <td align="left"> TestMapredGroupMappingServiceRefresh and TestRefreshUserMappings  fail after HADOOP-7625 </td>
    1313. 

  1313. <td align="left">  Blocker </td>
    1314. 

  1314. <td align="left"> security, test </td>
    1315. 

  1315. <td align="left"> Kihwal Lee </td>
    1316. 

  1316. <td align="left"> Jitendra Nath Pandey </td></tr>
    1317. 

  1317. <tr class="a">
    1318. 

  1318. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2411">HDFS-2411</a> </td>
    1319. 

  1319. <td align="left"> with webhdfs enabled in secure mode the auth to local mappings are not being respected. </td>
    1320. 

  1320. <td align="left">  Major </td>
    1321. 

  1321. <td align="left"> webhdfs </td>
    1322. 

  1322. <td align="left"> Arpit Gupta </td>
    1323. 

  1323. <td align="left"> Jitendra Nath Pandey </td></tr>
    1324. 

  1324. <tr class="b">
    1325. 

  1325. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1197">HDFS-1197</a> </td>
    1326. 

  1326. <td align="left"> Blocks are considered &#x201c;complete&#x201d; prematurely after commitBlockSynchronization or DN restart </td>
    1327. 

  1327. <td align="left">  Major </td>
    1328. 

  1328. <td align="left"> datanode, hdfs-client, namenode </td>
    1329. 

  1329. <td align="left"> Todd Lipcon </td>
    1330. 

  1330. <td align="left"> Todd Lipcon </td></tr>
    1331. 

  1331. <tr class="a">
    1332. 

  1332. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7615">HADOOP-7615</a> </td>
    1333. 

  1333. <td align="left"> Binary layout does not put share/hadoop/contrib/*.jar into the class path </td>
    1334. 

  1334. <td align="left">  Major </td>
    1335. 

  1335. <td align="left"> scripts </td>
    1336. 

  1336. <td align="left"> Eric Yang </td>
    1337. 

  1337. <td align="left"> Eric Yang </td></tr>
    1338. 

  1338. <tr class="b">
    1339. 

  1339. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2300">HDFS-2300</a> </td>
    1340. 

  1340. <td align="left"> TestFileAppend4 and TestMultiThreadedSync fail on 20.append and 20-security. </td>
    1341. 

  1341. <td align="left">  Major </td>
    1342. 

  1342. <td align="left"> . </td>
    1343. 

  1343. <td align="left"> Jitendra Nath Pandey </td>
    1344. 

  1344. <td align="left"> Jitendra Nath Pandey </td></tr>
    1345. 

  1345. </tbody>
    1346. 

  1346. </table></section><section>
    1347. 

  1347. <h3><a name="TESTS:"></a>TESTS:</h3>
    1348. 

  1348. <table border="0" class="bodyTable">
    1349. 

  1349. <thead>
    1350. 

  1350. 

  1351. <tr class="a">
    1352. 

  1352. <th align="left"> JIRA </th>
    1353. 

  1353. <th align="left"> Summary </th>
    1354. 

  1354. <th align="left"> Priority </th>
    1355. 

  1355. <th align="left"> Component </th>
    1356. 

  1356. <th align="left"> Reporter </th>
    1357. 

  1357. <th align="left"> Contributor </th></tr>
    1358. 

  1358. </thead><tbody>
    1359. 

  1359. 

  1360. <tr class="b">
    1361. 

  1361. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1242">HDFS-1242</a> </td>
    1362. 

  1362. <td align="left"> 0.20 append: Add test for appendFile() race solved in HDFS-142 </td>
    1363. 

  1363. <td align="left">  Major </td>
    1364. 

  1364. <td align="left"> . </td>
    1365. 

  1365. <td align="left"> Todd Lipcon </td>
    1366. 

  1366. <td align="left"> Todd Lipcon </td></tr>
    1367. 

  1367. <tr class="a">
    1368. 

  1368. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1252">HDFS-1252</a> </td>
    1369. 

  1369. <td align="left"> TestDFSConcurrentFileOperations broken in 0.20-appendj </td>
    1370. 

  1370. <td align="left">  Major </td>
    1371. 

  1371. <td align="left"> test </td>
    1372. 

  1372. <td align="left"> Todd Lipcon </td>
    1373. 

  1373. <td align="left"> Todd Lipcon </td></tr>
    1374. 

  1374. </tbody>
    1375. 

  1375. </table></section><section>
    1376. 

  1376. <h3><a name="SUB-TASKS:"></a>SUB-TASKS:</h3>
    1377. 

  1377. <table border="0" class="bodyTable">
    1378. 

  1378. <thead>
    1379. 

  1379. 

  1380. <tr class="a">
    1381. 

  1381. <th align="left"> JIRA </th>
    1382. 

  1382. <th align="left"> Summary </th>
    1383. 

  1383. <th align="left"> Priority </th>
    1384. 

  1384. <th align="left"> Component </th>
    1385. 

  1385. <th align="left"> Reporter </th>
    1386. 

  1386. <th align="left"> Contributor </th></tr>
    1387. 

  1387. </thead><tbody>
    1388. 

  1388. 

  1389. <tr class="b">
    1390. 

  1390. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-561">HDFS-561</a> </td>
    1391. 

  1391. <td align="left"> Fix write pipeline READ_TIMEOUT </td>
    1392. 

  1392. <td align="left">  Major </td>
    1393. 

  1393. <td align="left"> datanode, hdfs-client </td>
    1394. 

  1394. <td align="left"> Kan Zhang </td>
    1395. 

  1395. <td align="left"> Kan Zhang </td></tr>
    1396. 

  1396. <tr class="a">
    1397. 

  1397. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1057">HDFS-1057</a> </td>
    1398. 

  1398. <td align="left"> Concurrent readers hit ChecksumExceptions if following a writer to very end of file </td>
    1399. 

  1399. <td align="left">  Blocker </td>
    1400. 

  1400. <td align="left"> datanode </td>
    1401. 

  1401. <td align="left"> Todd Lipcon </td>
    1402. 

  1402. <td align="left"> sam rash </td></tr>
    1403. 

  1403. <tr class="b">
    1404. 

  1404. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2284">HDFS-2284</a> </td>
    1405. 

  1405. <td align="left"> Write Http access to HDFS </td>
    1406. 

  1406. <td align="left">  Major </td>
    1407. 

  1407. <td align="left"> . </td>
    1408. 

  1408. <td align="left"> Sanjay Radia </td>
    1409. 

  1409. <td align="left"> Tsz Wo Nicholas Sze </td></tr>
    1410. 

  1410. <tr class="a">
    1411. 

  1411. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2317">HDFS-2317</a> </td>
    1412. 

  1412. <td align="left"> Read access to HDFS using HTTP REST </td>
    1413. 

  1413. <td align="left">  Major </td>
    1414. 

  1414. <td align="left"> . </td>
    1415. 

  1415. <td align="left"> Tsz Wo Nicholas Sze </td>
    1416. 

  1416. <td align="left"> Tsz Wo Nicholas Sze </td></tr>
    1417. 

  1417. <tr class="b">
    1418. 

  1418. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2338">HDFS-2338</a> </td>
    1419. 

  1419. <td align="left"> Configuration option to enable/disable webhdfs. </td>
    1420. 

  1420. <td align="left">  Major </td>
    1421. 

  1421. <td align="left"> webhdfs </td>
    1422. 

  1422. <td align="left"> Jitendra Nath Pandey </td>
    1423. 

  1423. <td align="left"> Jitendra Nath Pandey </td></tr>
    1424. 

  1424. <tr class="a">
    1425. 

  1425. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2318">HDFS-2318</a> </td>
    1426. 

  1426. <td align="left"> Provide authentication to webhdfs using SPNEGO </td>
    1427. 

  1427. <td align="left">  Major </td>
    1428. 

  1428. <td align="left"> webhdfs </td>
    1429. 

  1429. <td align="left"> Tsz Wo Nicholas Sze </td>
    1430. 

  1430. <td align="left"> Tsz Wo Nicholas Sze </td></tr>
    1431. 

  1431. <tr class="b">
    1432. 

  1432. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2340">HDFS-2340</a> </td>
    1433. 

  1433. <td align="left"> Support getFileBlockLocations and getDelegationToken in webhdfs </td>
    1434. 

  1434. <td align="left">  Major </td>
    1435. 

  1435. <td align="left"> webhdfs </td>
    1436. 

  1436. <td align="left"> Tsz Wo Nicholas Sze </td>
    1437. 

  1437. <td align="left"> Tsz Wo Nicholas Sze </td></tr>
    1438. 

  1438. <tr class="a">
    1439. 

  1439. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-2928">MAPREDUCE-2928</a> </td>
    1440. 

  1440. <td align="left"> MR-2413 improvements </td>
    1441. 

  1441. <td align="left">  Major </td>
    1442. 

  1442. <td align="left"> tasktracker </td>
    1443. 

  1443. <td align="left"> Eli Collins </td>
    1444. 

  1444. <td align="left"> Eli Collins </td></tr>
    1445. 

  1445. <tr class="b">
    1446. 

  1446. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2356">HDFS-2356</a> </td>
    1447. 

  1447. <td align="left"> webhdfs: support case insensitive query parameter names </td>
    1448. 

  1448. <td align="left">  Major </td>
    1449. 

  1449. <td align="left"> webhdfs </td>
    1450. 

  1450. <td align="left"> Tsz Wo Nicholas Sze </td>
    1451. 

  1451. <td align="left"> Tsz Wo Nicholas Sze </td></tr>
    1452. 

  1452. <tr class="a">
    1453. 

  1453. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2366">HDFS-2366</a> </td>
    1454. 

  1454. <td align="left"> webhdfs throws a npe when ugi is null from getDelegationToken </td>
    1455. 

  1455. <td align="left">  Major </td>
    1456. 

  1456. <td align="left"> webhdfs </td>
    1457. 

  1457. <td align="left"> Arpit Gupta </td>
    1458. 

  1458. <td align="left"> Tsz Wo Nicholas Sze </td></tr>
    1459. 

  1459. <tr class="b">
    1460. 

  1460. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2348">HDFS-2348</a> </td>
    1461. 

  1461. <td align="left"> Support getContentSummary and getFileChecksum in webhdfs </td>
    1462. 

  1462. <td align="left">  Major </td>
    1463. 

  1463. <td align="left"> webhdfs </td>
    1464. 

  1464. <td align="left"> Tsz Wo Nicholas Sze </td>
    1465. 

  1465. <td align="left"> Tsz Wo Nicholas Sze </td></tr>
    1466. 

  1466. <tr class="a">
    1467. 

  1467. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2395">HDFS-2395</a> </td>
    1468. 

  1468. <td align="left"> webhdfs api&#x2019;s should return a root element in the json response </td>
    1469. 

  1469. <td align="left">  Critical </td>
    1470. 

  1470. <td align="left"> webhdfs </td>
    1471. 

  1471. <td align="left"> Arpit Gupta </td>
    1472. 

  1472. <td align="left"> Tsz Wo Nicholas Sze </td></tr>
    1473. 

  1473. <tr class="b">
    1474. 

  1474. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2403">HDFS-2403</a> </td>
    1475. 

  1475. <td align="left"> The renewer in NamenodeWebHdfsMethods.generateDelegationToken(..) is not used </td>
    1476. 

  1476. <td align="left">  Major </td>
    1477. 

  1477. <td align="left"> . </td>
    1478. 

  1478. <td align="left"> Tsz Wo Nicholas Sze </td>
    1479. 

  1479. <td align="left"> Tsz Wo Nicholas Sze </td></tr>
    1480. 

  1480. <tr class="a">
    1481. 

  1481. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2404">HDFS-2404</a> </td>
    1482. 

  1482. <td align="left"> webhdfs liststatus json response is not correct </td>
    1483. 

  1483. <td align="left">  Major </td>
    1484. 

  1484. <td align="left"> webhdfs </td>
    1485. 

  1485. <td align="left"> Arpit Gupta </td>
    1486. 

  1486. <td align="left"> Suresh Srinivas </td></tr>
    1487. 

  1487. <tr class="b">
    1488. 

  1488. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2385">HDFS-2385</a> </td>
    1489. 

  1489. <td align="left"> Support delegation token renewal in webhdfs </td>
    1490. 

  1490. <td align="left">  Major </td>
    1491. 

  1491. <td align="left"> webhdfs </td>
    1492. 

  1492. <td align="left"> Tsz Wo Nicholas Sze </td>
    1493. 

  1493. <td align="left"> Tsz Wo Nicholas Sze </td></tr>
    1494. 

  1494. <tr class="a">
    1495. 

  1495. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-2780">MAPREDUCE-2780</a> </td>
    1496. 

  1496. <td align="left"> Standardize the value of token service </td>
    1497. 

  1497. <td align="left">  Major </td>
    1498. 

  1498. <td align="left"> . </td>
    1499. 

  1499. <td align="left"> Daryn Sharp </td>
    1500. 

  1500. <td align="left"> Daryn Sharp </td></tr>
    1501. 

  1501. </tbody>
    1502. 

  1502. </table></section><section>
    1503. 

  1503. <h3><a name="OTHER:"></a>OTHER:</h3>
    1504. 

  1504. <table border="0" class="bodyTable">
    1505. 

  1505. <thead>
    1506. 

  1506. 

  1507. <tr class="a">
    1508. 

  1508. <th align="left"> JIRA </th>
    1509. 

  1509. <th align="left"> Summary </th>
    1510. 

  1510. <th align="left"> Priority </th>
    1511. 

  1511. <th align="left"> Component </th>
    1512. 

  1512. <th align="left"> Reporter </th>
    1513. 

  1513. <th align="left"> Contributor </th></tr>
    1514. 

  1514. </thead><tbody>
    1515. 

  1515. 

  1516. <tr class="b">
    1517. 

  1517. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1795">HDFS-1795</a> </td>
    1518. 

  1518. <td align="left"> Port 0.20-append changes onto 0.20-security-203 </td>
    1519. 

  1519. <td align="left">  Major </td>
    1520. 

  1520. <td align="left"> . </td>
    1521. 

  1521. <td align="left"> Andrew Purtell </td>
    1522. 

  1522. <td align="left">  </td></tr>
    1523. 

  1523. </tbody>
    1524. 

  1524. </table></section></section>
    1525. 

  1525.       </div>
    1526. 

  1526.     </div>
    1527. 

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    1528. 

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    1532. 

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    1535. 

  1535.                           - <a href="http://maven.apache.org/privacy-policy.html">Privacy Policy</a>.
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  1537.       </div>
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    1544.