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    252. 

  252.                        <h5>MapReduce REST APIs</h5>
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    261. 

  261.                        <h5>YARN</h5>
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    294. 

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    295. 

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    297. 

  297.                   <a href="../../../../hadoop-yarn/hadoop-yarn-site/TimelineServiceV2.html">Timeline Service V.2</a>
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  300.                   <a href="../../../../hadoop-yarn/hadoop-yarn-site/WritingYarnApplications.html">Writing YARN Applications</a>
    301. 

  301.             </li>
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  309.                   <a href="../../../../hadoop-yarn/hadoop-yarn-site/DockerContainers.html">Running Applications in Docker Containers</a>
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  312.                   <a href="../../../../hadoop-yarn/hadoop-yarn-site/RuncContainers.html">Running Applications in runC Containers</a>
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  315.                   <a href="../../../../hadoop-yarn/hadoop-yarn-site/NodeManagerCgroups.html">Using CGroups</a>
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  327.                   <a href="../../../../hadoop-yarn/hadoop-yarn-site/OpportunisticContainers.html">Opportunistic Containers</a>
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  346.             </li>
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  347.           </ul>
    348. 

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

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  360.                   <a href="../../../../hadoop-yarn/hadoop-yarn-site/TimelineServer.html#Timeline_Server_REST_API_v1">Timeline Server</a>
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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. 

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    366. 

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

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    368. 

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    370. 

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    375. 

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

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  381.                   <a href="../../../../hadoop-yarn/hadoop-yarn-site/yarn-service/ServiceDiscovery.html">Service Discovery</a>
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  384.                   <a href="../../../../hadoop-yarn/hadoop-yarn-site/yarn-service/SystemServices.html">System Services</a>
    385. 

  385.             </li>
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  386.           </ul>
    387. 

  387.                        <h5>Hadoop Compatible File Systems</h5>
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  390.                   <a href="../../../../hadoop-aliyun/tools/hadoop-aliyun/index.html">Aliyun OSS</a>
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  393.                   <a href="../../../../hadoop-aws/tools/hadoop-aws/index.html">Amazon S3</a>
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    396. 

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

  399.                   <a href="../../../../hadoop-azure-datalake/index.html">Azure Data Lake Storage</a>
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  402.                   <a href="../../../../hadoop-cos/cloud-storage/index.html">Tencent COS</a>
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  408.                   <a href="../../../../hadoop-tos/cloud-storage/index.html">VolcanoEngine TOS</a>
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  411.                        <h5>Auth</h5>
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  423.                   <a href="../../../../hadoop-auth/BuildingIt.html">Building</a>
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  425.           </ul>
    426. 

  426.                        <h5>Tools</h5>
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    429. 

  429.                   <a href="../../../../hadoop-streaming/HadoopStreaming.html">Hadoop Streaming</a>
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  432.                   <a href="../../../../hadoop-archives/HadoopArchives.html">Hadoop Archives</a>
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    435. 

  435.                   <a href="../../../../hadoop-archive-logs/HadoopArchiveLogs.html">Hadoop Archive Logs</a>
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  438.                   <a href="../../../../hadoop-distcp/DistCp.html">DistCp</a>
    439. 

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    441. 

  441.                   <a href="../../../../hadoop-federation-balance/HDFSFederationBalance.html">HDFS Federation Balance</a>
    442. 

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    444. 

  444.                   <a href="../../../../hadoop-gridmix/GridMix.html">GridMix</a>
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    447. 

  447.                   <a href="../../../../hadoop-rumen/Rumen.html">Rumen</a>
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    450. 

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

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    453. 

  453.                   <a href="../../../../hadoop-sls/SchedulerLoadSimulator.html">Scheduler Load Simulator</a>
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    456. 

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

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    459. 

  459.                   <a href="../../../../hadoop-dynamometer/Dynamometer.html">Dynamometer</a>
    460. 

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    461. 

  461.           </ul>
    462. 

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

  463.                   <ul>
    464. 

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    465. 

  465.                   <a href="../../../../hadoop-project-dist/hadoop-common/release/">Changelog and Release Notes</a>
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  468.                   <a href="../../../../api/index.html">Java API docs</a>
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    471. 

  471.                   <a href="../../../../hadoop-project-dist/hadoop-common/UnixShellAPI.html">Unix Shell API</a>
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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>
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  502.             </li>
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  503.           </ul>
    504. 

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    506. 

  506.         </a>
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  507.                        
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  509.     </div>
    510. 

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  517. # to you under the Apache License, Version 2.0 (the
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    519. 

  519. # with the License.  You may obtain a copy of the License at
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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_0.22.1_-_Unreleased_.28as_of_2018-09-01.29"></a>Release 0.22.1 - Unreleased (as of 2018-09-01)</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/HADOOP-6453">HADOOP-6453</a> </td>
    546. 

  546. <td align="left"> Hadoop wrapper script shouldn&#x2019;t ignore an existing JAVA_LIBRARY_PATH </td>
    547. 

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

  548. <td align="left"> scripts </td>
    549. 

  549. <td align="left"> Chad Metcalf </td>
    550. 

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

  551. </tbody>
    552. 

  552. </table></section><section>
    553. 

  553. <h3><a name="NEW_FEATURES:"></a>NEW FEATURES:</h3>
    554. 

  554. <table border="0" class="bodyTable">
    555. 

  555. <thead>
    556. 

  556. 

  557. <tr class="a">
    558. 

  558. <th align="left"> JIRA </th>
    559. 

  559. <th align="left"> Summary </th>
    560. 

  560. <th align="left"> Priority </th>
    561. 

  561. <th align="left"> Component </th>
    562. 

  562. <th align="left"> Reporter </th>
    563. 

  563. <th align="left"> Contributor </th></tr>
    564. 

  564. </thead><tbody>
    565. 

  565. 

  566. <tr class="b">
    567. 

  567. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7119">HADOOP-7119</a> </td>
    568. 

  568. <td align="left"> add Kerberos HTTP SPNEGO authentication support to Hadoop JT/NN/DN/TT web-consoles </td>
    569. 

  569. <td align="left">  Major </td>
    570. 

  570. <td align="left"> security </td>
    571. 

  571. <td align="left"> Alejandro Abdelnur </td>
    572. 

  572. <td align="left"> Alejandro Abdelnur </td></tr>
    573. 

  573. <tr class="a">
    574. 

  574. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7937">HADOOP-7937</a> </td>
    575. 

  575. <td align="left"> Forward port SequenceFile#syncFs and friends from Hadoop 1.x </td>
    576. 

  576. <td align="left">  Major </td>
    577. 

  577. <td align="left"> io </td>
    578. 

  578. <td align="left"> Eli Collins </td>
    579. 

  579. <td align="left"> Tom White </td></tr>
    580. 

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

  581. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-3837">MAPREDUCE-3837</a> </td>
    582. 

  582. <td align="left"> Job tracker is not able to recover job in case of crash and after that no user can submit job. </td>
    583. 

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

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

  585. <td align="left"> Mayank Bansal </td>
    586. 

  586. <td align="left"> Mayank Bansal </td></tr>
    587. 

  587. </tbody>
    588. 

  588. </table></section><section>
    589. 

  589. <h3><a name="IMPROVEMENTS:"></a>IMPROVEMENTS:</h3>
    590. 

  590. <table border="0" class="bodyTable">
    591. 

  591. <thead>
    592. 

  592. 

  593. <tr class="a">
    594. 

  594. <th align="left"> JIRA </th>
    595. 

  595. <th align="left"> Summary </th>
    596. 

  596. <th align="left"> Priority </th>
    597. 

  597. <th align="left"> Component </th>
    598. 

  598. <th align="left"> Reporter </th>
    599. 

  599. <th align="left"> Contributor </th></tr>
    600. 

  600. </thead><tbody>
    601. 

  601. 

  602. <tr class="b">
    603. 

  603. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-6995">HADOOP-6995</a> </td>
    604. 

  604. <td align="left"> Allow wildcards to be used in ProxyUsers configurations </td>
    605. 

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

  606. <td align="left"> security </td>
    607. 

  607. <td align="left"> Todd Lipcon </td>
    608. 

  608. <td align="left"> Todd Lipcon </td></tr>
    609. 

  609. <tr class="a">
    610. 

  610. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1601">HDFS-1601</a> </td>
    611. 

  611. <td align="left"> Pipeline ACKs are sent as lots of tiny TCP packets </td>
    612. 

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

  613. <td align="left"> datanode </td>
    614. 

  614. <td align="left"> Todd Lipcon </td>
    615. 

  615. <td align="left"> Todd Lipcon </td></tr>
    616. 

  616. <tr class="b">
    617. 

  617. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7272">HADOOP-7272</a> </td>
    618. 

  618. <td align="left"> Remove unnecessary security related info logs </td>
    619. 

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

  620. <td align="left"> ipc, security </td>
    621. 

  621. <td align="left"> Suresh Srinivas </td>
    622. 

  622. <td align="left"> Suresh Srinivas </td></tr>
    623. 

  623. <tr class="a">
    624. 

  624. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2246">HDFS-2246</a> </td>
    625. 

  625. <td align="left"> Shortcut a local client reads to a Datanodes files directly </td>
    626. 

  626. <td align="left">  Major </td>
    627. 

  627. <td align="left"> . </td>
    628. 

  628. <td align="left"> Sanjay Radia </td>
    629. 

  629. <td align="left"> Jitendra Nath Pandey </td></tr>
    630. 

  630. <tr class="b">
    631. 

  631. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7338">HADOOP-7338</a> </td>
    632. 

  632. <td align="left"> LocalDirAllocator improvements for MR-2178 </td>
    633. 

  633. <td align="left">  Major </td>
    634. 

  634. <td align="left"> . </td>
    635. 

  635. <td align="left"> Todd Lipcon </td>
    636. 

  636. <td align="left"> Benoy Antony </td></tr>
    637. 

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

  638. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-4403">MAPREDUCE-4403</a> </td>
    639. 

  639. <td align="left"> Adding test case for resubmission of jobs in TestRecoveryManager </td>
    640. 

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

  641. <td align="left"> jobtracker </td>
    642. 

  642. <td align="left"> Mayank Bansal </td>
    643. 

  643. <td align="left"> Mayank Bansal </td></tr>
    644. 

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

  645. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-4405">MAPREDUCE-4405</a> </td>
    646. 

  646. <td align="left"> Adding test case for HierarchicalQueue in TestJobQueueClient </td>
    647. 

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

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

  649. <td align="left"> Mayank Bansal </td>
    650. 

  650. <td align="left"> Mayank Bansal </td></tr>
    651. 

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

  652. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-4349">MAPREDUCE-4349</a> </td>
    653. 

  653. <td align="left"> Distributed Cache gives inconsistent result if cache Archive files get deleted from task tracker </td>
    654. 

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

  655. <td align="left"> . </td>
    656. 

  656. <td align="left"> Mayank Bansal </td>
    657. 

  657. <td align="left"> Mayank Bansal </td></tr>
    658. 

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

  659. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-2353">MAPREDUCE-2353</a> </td>
    660. 

  660. <td align="left"> Make the MR changes to reflect the API changes in SecureIO library </td>
    661. 

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

  662. <td align="left"> security, task, tasktracker </td>
    663. 

  663. <td align="left"> Devaraj Das </td>
    664. 

  664. <td align="left"> Benoy Antony </td></tr>
    665. 

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

  666. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-1521">MAPREDUCE-1521</a> </td>
    667. 

  667. <td align="left"> Protection against incorrectly configured reduces </td>
    668. 

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

  669. <td align="left"> jobtracker </td>
    670. 

  670. <td align="left"> Arun C Murthy </td>
    671. 

  671. <td align="left"> Mahadev konar </td></tr>
    672. 

  672. </tbody>
    673. 

  673. </table></section><section>
    674. 

  674. <h3><a name="BUG_FIXES:"></a>BUG FIXES:</h3>
    675. 

  675. <table border="0" class="bodyTable">
    676. 

  676. <thead>
    677. 

  677. 

  678. <tr class="a">
    679. 

  679. <th align="left"> JIRA </th>
    680. 

  680. <th align="left"> Summary </th>
    681. 

  681. <th align="left"> Priority </th>
    682. 

  682. <th align="left"> Component </th>
    683. 

  683. <th align="left"> Reporter </th>
    684. 

  684. <th align="left"> Contributor </th></tr>
    685. 

  685. </thead><tbody>
    686. 

  686. 

  687. <tr class="b">
    688. 

  688. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-2420">MAPREDUCE-2420</a> </td>
    689. 

  689. <td align="left"> JobTracker should be able to renew delegation token over HTTP </td>
    690. 

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

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

  692. <td align="left"> Boris Shkolnik </td>
    693. 

  693. <td align="left"> Boris Shkolnik </td></tr>
    694. 

  694. <tr class="a">
    695. 

  695. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-2452">MAPREDUCE-2452</a> </td>
    696. 

  696. <td align="left"> Delegation token cancellation shouldn&#x2019;t hold global JobTracker lock </td>
    697. 

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

  698. <td align="left"> jobtracker </td>
    699. 

  699. <td align="left"> Devaraj Das </td>
    700. 

  700. <td align="left"> Devaraj Das </td></tr>
    701. 

  701. <tr class="b">
    702. 

  702. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7621">HADOOP-7621</a> </td>
    703. 

  703. <td align="left"> alfredo config should be in a file not readable by users </td>
    704. 

  704. <td align="left">  Critical </td>
    705. 

  705. <td align="left"> security </td>
    706. 

  706. <td align="left"> Alejandro Abdelnur </td>
    707. 

  707. <td align="left"> Aaron T. Myers </td></tr>
    708. 

  708. <tr class="a">
    709. 

  709. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2698">HDFS-2698</a> </td>
    710. 

  710. <td align="left"> BackupNode is downloading image from NameNode for every checkpoint </td>
    711. 

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

  712. <td align="left"> namenode </td>
    713. 

  713. <td align="left"> Konstantin Shvachko </td>
    714. 

  714. <td align="left"> Konstantin Shvachko </td></tr>
    715. 

  715. <tr class="b">
    716. 

  716. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1910">HDFS-1910</a> </td>
    717. 

  717. <td align="left"> when dfs.name.dir and dfs.name.edits.dir are same fsimage will be saved twice every time </td>
    718. 

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

  719. <td align="left"> namenode </td>
    720. 

  720. <td align="left"> Gokul </td>
    721. 

  721. <td align="left">  </td></tr>
    722. 

  722. <tr class="a">
    723. 

  723. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-3593">MAPREDUCE-3593</a> </td>
    724. 

  724. <td align="left"> MAPREDUCE Impersonation is not working in 22 </td>
    725. 

  725. <td align="left">  Major </td>
    726. 

  726. <td align="left"> job submission </td>
    727. 

  727. <td align="left"> Mayank Bansal </td>
    728. 

  728. <td align="left"> Mayank Bansal </td></tr>
    729. 

  729. <tr class="b">
    730. 

  730. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-3725">MAPREDUCE-3725</a> </td>
    731. 

  731. <td align="left"> Hadoop 22 hadoop job -list returns user name as NULL </td>
    732. 

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

  733. <td align="left"> client </td>
    734. 

  734. <td align="left"> Mayank Bansal </td>
    735. 

  735. <td align="left"> Mayank Bansal </td></tr>
    736. 

  736. <tr class="a">
    737. 

  737. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2718">HDFS-2718</a> </td>
    738. 

  738. <td align="left"> Optimize OP_ADD in edits loading </td>
    739. 

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

  740. <td align="left"> namenode </td>
    741. 

  741. <td align="left"> Konstantin Shvachko </td>
    742. 

  742. <td align="left"> Konstantin Shvachko </td></tr>
    743. 

  743. <tr class="b">
    744. 

  744. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2877">HDFS-2877</a> </td>
    745. 

  745. <td align="left"> If locking of a storage dir fails, it will remove the other NN&#x2019;s lock file on exit </td>
    746. 

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

  747. <td align="left"> namenode </td>
    748. 

  748. <td align="left"> Todd Lipcon </td>
    749. 

  749. <td align="left"> Todd Lipcon </td></tr>
    750. 

  750. <tr class="a">
    751. 

  751. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7680">HADOOP-7680</a> </td>
    752. 

  752. <td align="left"> TestHardLink fails on Mac OS X, when gnu stat is in path </td>
    753. 

  753. <td align="left">  Major </td>
    754. 

  754. <td align="left"> . </td>
    755. 

  755. <td align="left"> Milind Bhandarkar </td>
    756. 

  756. <td align="left"> Milind Bhandarkar </td></tr>
    757. 

  757. <tr class="b">
    758. 

  758. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2991">HDFS-2991</a> </td>
    759. 

  759. <td align="left"> failure to load edits: ClassCastException </td>
    760. 

  760. <td align="left">  Blocker </td>
    761. 

  761. <td align="left"> namenode </td>
    762. 

  762. <td align="left"> Todd Lipcon </td>
    763. 

  763. <td align="left"> Todd Lipcon </td></tr>
    764. 

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

  765. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-4164">MAPREDUCE-4164</a> </td>
    766. 

  766. <td align="left"> Hadoop 22 Exception thrown after task completion causes its reexecution </td>
    767. 

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

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

  769. <td align="left"> Mayank Bansal </td>
    770. 

  770. <td align="left"> Mayank Bansal </td></tr>
    771. 

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

  772. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-3863">MAPREDUCE-3863</a> </td>
    773. 

  773. <td align="left"> 0.22 branch mvn deploy is not publishing hadoop-streaming JAR </td>
    774. 

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

  775. <td align="left"> build </td>
    776. 

  776. <td align="left"> Alejandro Abdelnur </td>
    777. 

  777. <td align="left"> Benoy Antony </td></tr>
    778. 

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

  779. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-3368">HDFS-3368</a> </td>
    780. 

  780. <td align="left"> Missing blocks due to bad DataNodes coming up and down. </td>
    781. 

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

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

  783. <td align="left"> Konstantin Shvachko </td>
    784. 

  784. <td align="left"> Konstantin Shvachko </td></tr>
    785. 

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

  786. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-2178">MAPREDUCE-2178</a> </td>
    787. 

  787. <td align="left"> Race condition in LinuxTaskController permissions handling </td>
    788. 

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

  789. <td align="left"> security, task-controller </td>
    790. 

  790. <td align="left"> Todd Lipcon </td>
    791. 

  791. <td align="left"> Benoy Antony </td></tr>
    792. 

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

  793. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-4314">MAPREDUCE-4314</a> </td>
    794. 

  794. <td align="left"> Synchronization in JvmManager for 0.22 branch </td>
    795. 

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

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

  797. <td align="left"> Konstantin Shvachko </td>
    798. 

  798. <td align="left"> Benoy Antony </td></tr>
    799. 

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

  800. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-2377">MAPREDUCE-2377</a> </td>
    801. 

  801. <td align="left"> task-controller fails to parse configuration if it doesn&#x2019;t end in \n </td>
    802. 

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

  803. <td align="left"> task-controller </td>
    804. 

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

  805. <td align="left"> Benoy Antony </td></tr>
    806. 

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

  807. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-4318">MAPREDUCE-4318</a> </td>
    808. 

  808. <td align="left"> TestRecoveryManager should not use raw and deprecated configuration parameters. </td>
    809. 

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

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

  811. <td align="left"> Konstantin Shvachko </td>
    812. 

  812. <td align="left"> Benoy Antony </td></tr>
    813. 

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

  814. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-4360">MAPREDUCE-4360</a> </td>
    815. 

  815. <td align="left"> Capacity Scheduler Hierarchical leaf queue does not honor the max capacity of container queue </td>
    816. 

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

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

  818. <td align="left"> Mayank Bansal </td>
    819. 

  819. <td align="left"> Mayank Bansal </td></tr>
    820. 

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

  821. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1584">HDFS-1584</a> </td>
    822. 

  822. <td align="left"> Need to check TGT and renew if needed when fetching delegation tokens using HFTP </td>
    823. 

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

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

  825. <td align="left"> Kan Zhang </td>
    826. 

  826. <td align="left"> Benoy Antony </td></tr>
    827. 

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

  828. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-3402">HDFS-3402</a> </td>
    829. 

  829. <td align="left"> Fix hdfs scripts for secure datanodes </td>
    830. 

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

  831. <td align="left"> scripts, security </td>
    832. 

  832. <td align="left"> Benoy Antony </td>
    833. 

  833. <td align="left"> Benoy Antony </td></tr>
    834. 

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

  835. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7115">HADOOP-7115</a> </td>
    836. 

  836. <td align="left"> Add a cache for getpwuid_r and getpwgid_r calls </td>
    837. 

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

  838. <td align="left"> . </td>
    839. 

  839. <td align="left"> Arun C Murthy </td>
    840. 

  840. <td align="left"> Alejandro Abdelnur </td></tr>
    841. 

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

  842. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-4404">MAPREDUCE-4404</a> </td>
    843. 

  843. <td align="left"> Adding Test case for TestMRJobClient to verify the user name </td>
    844. 

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

  845. <td align="left"> client </td>
    846. 

  846. <td align="left"> Mayank Bansal </td>
    847. 

  847. <td align="left"> Mayank Bansal </td></tr>
    848. 

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

  849. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-5706">MAPREDUCE-5706</a> </td>
    850. 

  850. <td align="left"> toBeDeleted parent directories aren&#x2019;t being cleaned up </td>
    851. 

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

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

  853. <td align="left"> Robert Kanter </td>
    854. 

  854. <td align="left"> Robert Kanter </td></tr>
    855. 

  855. </tbody>
    856. 

  856. </table></section><section>
    857. 

  857. <h3><a name="SUB-TASKS:"></a>SUB-TASKS:</h3>
    858. 

  858. <table border="0" class="bodyTable">
    859. 

  859. <thead>
    860. 

  860. 

  861. <tr class="a">
    862. 

  862. <th align="left"> JIRA </th>
    863. 

  863. <th align="left"> Summary </th>
    864. 

  864. <th align="left"> Priority </th>
    865. 

  865. <th align="left"> Component </th>
    866. 

  866. <th align="left"> Reporter </th>
    867. 

  867. <th align="left"> Contributor </th></tr>
    868. 

  868. </thead><tbody>
    869. 

  869. 

  870. <tr class="b">
    871. 

  871. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2886">HDFS-2886</a> </td>
    872. 

  872. <td align="left"> CreateEditLogs should generate a realistic edit log. </td>
    873. 

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

  874. <td align="left"> namenode </td>
    875. 

  875. <td align="left"> Konstantin Shvachko </td>
    876. 

  876. <td align="left"> Konstantin Shvachko </td></tr>
    877. 

  877. <tr class="a">
    878. 

  878. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-8381">HADOOP-8381</a> </td>
    879. 

  879. <td align="left"> Substitute _HOST with hostname  for HTTP principals </td>
    880. 

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

  881. <td align="left"> security </td>
    882. 

  882. <td align="left"> Benoy Antony </td>
    883. 

  883. <td align="left"> Benoy Antony </td></tr>
    884. 

  884. <tr class="b">
    885. 

  885. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-8383">HADOOP-8383</a> </td>
    886. 

  886. <td align="left"> TestKerberosAuthenticator fails </td>
    887. 

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

  888. <td align="left"> security </td>
    889. 

  889. <td align="left"> Benoy Antony </td>
    890. 

  890. <td align="left"> Benoy Antony </td></tr>
    891. 

  891. </tbody>
    892. 

  892. </table></section><section>
    893. 

  893. <h3><a name="OTHER:"></a>OTHER:</h3>
    894. 

  894. <table border="0" class="bodyTable">
    895. 

  895. <thead>
    896. 

  896. 

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

  898. <th align="left"> JIRA </th>
    899. 

  899. <th align="left"> Summary </th>
    900. 

  900. <th align="left"> Priority </th>
    901. 

  901. <th align="left"> Component </th>
    902. 

  902. <th align="left"> Reporter </th>
    903. 

  903. <th align="left"> Contributor </th></tr>
    904. 

  904. </thead><tbody>
    905. 

  905. 

  906. <tr class="b">
    907. 

  907. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-4240">MAPREDUCE-4240</a> </td>
    908. 

  908. <td align="left"> Revert MAPREDUCE-2767 </td>
    909. 

  909. <td align="left">  Minor </td>
    910. 

  910. <td align="left"> security </td>
    911. 

  911. <td align="left"> Benoy Antony </td>
    912. 

  912. <td align="left"> Benoy Antony </td></tr>
    913. 

  913. <tr class="a">
    914. 

  914. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-4243">MAPREDUCE-4243</a> </td>
    915. 

  915. <td align="left"> Modify mapreduce build to include task-controller </td>
    916. 

  916. <td align="left">  Minor </td>
    917. 

  917. <td align="left"> build </td>
    918. 

  918. <td align="left"> Benoy Antony </td>
    919. 

  919. <td align="left"> Benoy Antony </td></tr>
    920. 

  920. <tr class="b">
    921. 

  921. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-4244">MAPREDUCE-4244</a> </td>
    922. 

  922. <td align="left"> Fix an issue related to do with setting of correct groups for tasks </td>
    923. 

  923. <td align="left">  Minor </td>
    924. 

  924. <td align="left"> security </td>
    925. 

  925. <td align="left"> Benoy Antony </td>
    926. 

  926. <td align="left"> Benoy Antony </td></tr>
    927. 

  927. <tr class="a">
    928. 

  928. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-4246">MAPREDUCE-4246</a> </td>
    929. 

  929. <td align="left"> Failure in deleting user directories in Secure hadoop </td>
    930. 

  930. <td align="left">  Major </td>
    931. 

  931. <td align="left"> security </td>
    932. 

  932. <td align="left"> Benoy Antony </td>
    933. 

  933. <td align="left"> Benoy Antony </td></tr>
    934. 

  934. <tr class="b">
    935. 

  935. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-4247">MAPREDUCE-4247</a> </td>
    936. 

  936. <td align="left"> TestTaskTrackerLocalization fails </td>
    937. 

  937. <td align="left">  Minor </td>
    938. 

  938. <td align="left"> security </td>
    939. 

  939. <td align="left"> Benoy Antony </td>
    940. 

  940. <td align="left"> Benoy Antony </td></tr>
    941. 

  941. <tr class="a">
    942. 

  942. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-4248">MAPREDUCE-4248</a> </td>
    943. 

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

  944. <td align="left">  Minor </td>
    945. 

  945. <td align="left"> security </td>
    946. 

  946. <td align="left"> Benoy Antony </td>
    947. 

  947. <td align="left"> Benoy Antony </td></tr>
    948. 

  948. <tr class="b">
    949. 

  949. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-4249">MAPREDUCE-4249</a> </td>
    950. 

  950. <td align="left"> Fix failures in streaming test TestFileArgs </td>
    951. 

  951. <td align="left">  Minor </td>
    952. 

  952. <td align="left"> security </td>
    953. 

  953. <td align="left"> Benoy Antony </td>
    954. 

  954. <td align="left"> Benoy Antony </td></tr>
    955. 

  955. <tr class="a">
    956. 

  956. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-8357">HADOOP-8357</a> </td>
    957. 

  957. <td align="left"> Restore security in Hadoop 0.22 branch </td>
    958. 

  958. <td align="left">  Major </td>
    959. 

  959. <td align="left"> security </td>
    960. 

  960. <td align="left"> Konstantin Shvachko </td>
    961. 

  961. <td align="left"> Benoy Antony </td></tr>
    962. 

  962. </tbody>
    963. 

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