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

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

  261.                        <h5>YARN</h5>
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    297. 

  297.                   <a href="../../../../hadoop-yarn/hadoop-yarn-site/TimelineServiceV2.html">Timeline Service V.2</a>
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  347.           </ul>
    348. 

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

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    364. 

  364.             </li>
    365. 

  365.           </ul>
    366. 

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

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

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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.                   <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. 

  411.                        <h5>Auth</h5>
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    414. 

  414.                   <a href="../../../../hadoop-auth/index.html">Overview</a>
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  425.           </ul>
    426. 

  426.                        <h5>Tools</h5>
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  427.                   <ul>
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    432. 

  432.                   <a href="../../../../hadoop-archives/HadoopArchives.html">Hadoop Archives</a>
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  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>
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    441. 

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    444. 

  444.                   <a href="../../../../hadoop-gridmix/GridMix.html">GridMix</a>
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  447.                   <a href="../../../../hadoop-rumen/Rumen.html">Rumen</a>
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  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.                   <a href="../../../../hadoop-project-dist/hadoop-common/Benchmarking.html">Hadoop Benchmarking</a>
    457. 

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  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>
    466. 

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

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

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    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>
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  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>
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  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
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    522. 

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  523. # Unless required by applicable law or agreed to in writing, software
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  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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  527. # limitations under the License.
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  528. -->
    529. 

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

  530. <h2><a name="Release_0.1.0_-_2006-04-02"></a>Release 0.1.0 - 2006-04-02</h2><section>
    531. 

  531. <h3><a name="NEW_FEATURES:"></a>NEW FEATURES:</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-37">HADOOP-37</a> </td>
    546. 

  546. <td align="left"> A way to determine the size and overall activity of the cluster </td>
    547. 

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

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

  549. <td align="left"> Owen O&#x2019;Malley </td>
    550. 

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

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

  552. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-80">HADOOP-80</a> </td>
    553. 

  553. <td align="left"> binary key </td>
    554. 

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

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

  556. <td align="left"> Owen O&#x2019;Malley </td>
    557. 

  557. <td align="left"> Owen O&#x2019;Malley </td></tr>
    558. 

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

  559. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-44">HADOOP-44</a> </td>
    560. 

  560. <td align="left"> RPC exceptions should include remote stack trace </td>
    561. 

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

  562. <td align="left"> ipc </td>
    563. 

  563. <td align="left"> Doug Cutting </td>
    564. 

  564. <td align="left"> Doug Cutting </td></tr>
    565. 

  565. <tr class="a">
    566. 

  566. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-46">HADOOP-46</a> </td>
    567. 

  567. <td align="left"> user-specified job names </td>
    568. 

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

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

  570. <td align="left"> Doug Cutting </td>
    571. 

  571. <td align="left"> Owen O&#x2019;Malley </td></tr>
    572. 

  572. </tbody>
    573. 

  573. </table></section><section>
    574. 

  574. <h3><a name="IMPROVEMENTS:"></a>IMPROVEMENTS:</h3>
    575. 

  575. <table border="0" class="bodyTable">
    576. 

  576. <thead>
    577. 

  577. 

  578. <tr class="a">
    579. 

  579. <th align="left"> JIRA </th>
    580. 

  580. <th align="left"> Summary </th>
    581. 

  581. <th align="left"> Priority </th>
    582. 

  582. <th align="left"> Component </th>
    583. 

  583. <th align="left"> Reporter </th>
    584. 

  584. <th align="left"> Contributor </th></tr>
    585. 

  585. </thead><tbody>
    586. 

  586. 

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

  588. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-25">HADOOP-25</a> </td>
    589. 

  589. <td align="left"> a new map/reduce example and moving the examples from src/java to src/examples </td>
    590. 

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

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

  592. <td align="left"> Owen O&#x2019;Malley </td>
    593. 

  593. <td align="left"> Owen O&#x2019;Malley </td></tr>
    594. 

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

  595. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-20">HADOOP-20</a> </td>
    596. 

  596. <td align="left"> Mapper, Reducer need an occasion to cleanup after the last record is processed. </td>
    597. 

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

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

  599. <td align="left"> Michel Tourn </td>
    600. 

  600. <td align="left">  </td></tr>
    601. 

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

  602. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-30">HADOOP-30</a> </td>
    603. 

  603. <td align="left"> DFS shell: support for ls -r and cat </td>
    604. 

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

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

  606. <td align="left"> Michel Tourn </td>
    607. 

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

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

  609. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-38">HADOOP-38</a> </td>
    610. 

  610. <td align="left"> default splitter should incorporate fs block size </td>
    611. 

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

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

  613. <td align="left"> Doug Cutting </td>
    614. 

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

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

  616. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-36">HADOOP-36</a> </td>
    617. 

  617. <td align="left"> Adding some uniformity/convenience to environment management </td>
    618. 

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

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

  620. <td align="left"> Bryan Pendleton </td>
    621. 

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

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

  623. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-49">HADOOP-49</a> </td>
    624. 

  624. <td align="left"> JobClient cannot use a non-default server (unlike DFSShell) </td>
    625. 

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

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

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

  628. <td align="left"> Michel Tourn </td></tr>
    629. 

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

  630. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-41">HADOOP-41</a> </td>
    631. 

  631. <td align="left"> JAVA_OPTS for the TaskRunner Child </td>
    632. 

  632. <td align="left">  Minor </td>
    633. 

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

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

  635. <td align="left">  </td></tr>
    636. 

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

  637. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-60">HADOOP-60</a> </td>
    638. 

  638. <td align="left"> Specification of alternate conf. directory </td>
    639. 

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

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

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

  642. <td align="left">  </td></tr>
    643. 

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

  644. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-79">HADOOP-79</a> </td>
    645. 

  645. <td align="left"> listFiles optimization </td>
    646. 

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

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

  648. <td align="left"> Konstantin Shvachko </td>
    649. 

  649. <td align="left"> Konstantin Shvachko </td></tr>
    650. 

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

  651. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-87">HADOOP-87</a> </td>
    652. 

  652. <td align="left"> SequenceFile performance degrades substantially compression is on and large values are encountered </td>
    653. 

  653. <td align="left">  Major </td>
    654. 

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

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

  656. <td align="left"> Doug Cutting </td></tr>
    657. 

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

  658. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-45">HADOOP-45</a> </td>
    659. 

  659. <td align="left"> JobTracker should log task errors </td>
    660. 

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

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

  662. <td align="left"> Doug Cutting </td>
    663. 

  663. <td align="left"> Doug Cutting </td></tr>
    664. 

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

  665. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-67">HADOOP-67</a> </td>
    666. 

  666. <td align="left"> Added statistic/reporting info to DFS </td>
    667. 

  667. <td align="left">  Trivial </td>
    668. 

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

  669. <td align="left"> Barry Kaplan </td>
    670. 

  670. <td align="left"> Doug Cutting </td></tr>
    671. 

  671. <tr class="b">
    672. 

  672. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-33">HADOOP-33</a> </td>
    673. 

  673. <td align="left"> DF enhancement: performance and win XP support </td>
    674. 

  674. <td align="left">  Minor </td>
    675. 

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

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

  677. <td align="left"> Konstantin Shvachko </td></tr>
    678. 

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

  679. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-103">HADOOP-103</a> </td>
    680. 

  680. <td align="left"> introduce a common parent class for Mapper and Reducer </td>
    681. 

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

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

  683. <td align="left"> Owen O&#x2019;Malley </td>
    684. 

  684. <td align="left"> Owen O&#x2019;Malley </td></tr>
    685. 

  685. </tbody>
    686. 

  686. </table></section><section>
    687. 

  687. <h3><a name="BUG_FIXES:"></a>BUG FIXES:</h3>
    688. 

  688. <table border="0" class="bodyTable">
    689. 

  689. <thead>
    690. 

  690. 

  691. <tr class="a">
    692. 

  692. <th align="left"> JIRA </th>
    693. 

  693. <th align="left"> Summary </th>
    694. 

  694. <th align="left"> Priority </th>
    695. 

  695. <th align="left"> Component </th>
    696. 

  696. <th align="left"> Reporter </th>
    697. 

  697. <th align="left"> Contributor </th></tr>
    698. 

  698. </thead><tbody>
    699. 

  699. 

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

  701. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-6">HADOOP-6</a> </td>
    702. 

  702. <td align="left"> missing build directory in classpath </td>
    703. 

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

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

  705. <td align="left"> Owen O&#x2019;Malley </td>
    706. 

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

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

  708. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7">HADOOP-7</a> </td>
    709. 

  709. <td align="left"> MapReduce has a series of problems concerning task-allocation to worker nodes </td>
    710. 

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

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

  712. <td align="left"> Mike Cafarella </td>
    713. 

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

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

  715. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-10">HADOOP-10</a> </td>
    716. 

  716. <td align="left"> ndfs.replication is not documented within the nutch-default.xml configuration file. </td>
    717. 

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

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

  719. <td align="left"> Rod Taylor </td>
    720. 

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

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

  722. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-5">HADOOP-5</a> </td>
    723. 

  723. <td align="left"> need commons-logging-api jar file </td>
    724. 

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

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

  726. <td align="left"> Owen O&#x2019;Malley </td>
    727. 

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

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

  729. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-21">HADOOP-21</a> </td>
    730. 

  730. <td align="left"> the webapps need to be updated for the move from nutch </td>
    731. 

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

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

  733. <td align="left"> Owen O&#x2019;Malley </td>
    734. 

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

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

  736. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-22">HADOOP-22</a> </td>
    737. 

  737. <td align="left"> remove unused imports </td>
    738. 

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

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

  740. <td align="left"> Sami Siren </td>
    741. 

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

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

  743. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-28">HADOOP-28</a> </td>
    744. 

  744. <td align="left"> webapps broken </td>
    745. 

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

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

  747. <td align="left"> Owen O&#x2019;Malley </td>
    748. 

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

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

  750. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-12">HADOOP-12</a> </td>
    751. 

  751. <td align="left"> InputFormat used in job must be in JobTracker classpath (not loaded from job JAR) </td>
    752. 

  752. <td align="left">  Minor </td>
    753. 

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

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

  755. <td align="left">  </td></tr>
    756. 

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

  757. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-34">HADOOP-34</a> </td>
    758. 

  758. <td align="left"> Build Paths Relative to PWD in build.xml </td>
    759. 

  759. <td align="left">  Trivial </td>
    760. 

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

  761. <td align="left"> Jeremy Bensley </td>
    762. 

  762. <td align="left">  </td></tr>
    763. 

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

  764. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-42">HADOOP-42</a> </td>
    765. 

  765. <td align="left"> PositionCache decrements its position for reads at the end of file </td>
    766. 

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

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

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

  769. <td align="left">  </td></tr>
    770. 

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

  771. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-40">HADOOP-40</a> </td>
    772. 

  772. <td align="left"> bufferSize argument is ignored in FileSystem.create(File, boolean, int) </td>
    773. 

  773. <td align="left">  Minor </td>
    774. 

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

  775. <td align="left"> Konstantin Shvachko </td>
    776. 

  776. <td align="left">  </td></tr>
    777. 

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

  778. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-16">HADOOP-16</a> </td>
    779. 

  779. <td align="left"> RPC call times out while indexing map task is computing splits </td>
    780. 

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

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

  782. <td align="left"> Chris Schneider </td>
    783. 

  783. <td align="left"> Mike Cafarella </td></tr>
    784. 

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

  785. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-57">HADOOP-57</a> </td>
    786. 

  786. <td align="left"> hadoop dfs -ls / does not show root of file system </td>
    787. 

  787. <td align="left">  Minor </td>
    788. 

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

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

  790. <td align="left">  </td></tr>
    791. 

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

  792. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-66">HADOOP-66</a> </td>
    793. 

  793. <td align="left"> dfs client writes all data for a chunk to /tmp </td>
    794. 

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

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

  796. <td align="left"> Sameer Paranjpye </td>
    797. 

  797. <td align="left"> Doug Cutting </td></tr>
    798. 

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

  799. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-70">HADOOP-70</a> </td>
    800. 

  800. <td align="left"> the two file system tests TestDFS and TestFileSystem take too long </td>
    801. 

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

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

  803. <td align="left"> Owen O&#x2019;Malley </td>
    804. 

  804. <td align="left"> Owen O&#x2019;Malley </td></tr>
    805. 

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

  806. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-77">HADOOP-77</a> </td>
    807. 

  807. <td align="left"> hang / crash when input folder does not exists. </td>
    808. 

  808. <td align="left">  Critical </td>
    809. 

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

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

  811. <td align="left">  </td></tr>
    812. 

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

  813. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-78">HADOOP-78</a> </td>
    814. 

  814. <td align="left"> rpc commands not buffered </td>
    815. 

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

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

  817. <td align="left"> Owen O&#x2019;Malley </td>
    818. 

  818. <td align="left"> Owen O&#x2019;Malley </td></tr>
    819. 

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

  820. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-81">HADOOP-81</a> </td>
    821. 

  821. <td align="left"> speculative execution is only controllable from the default config </td>
    822. 

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

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

  824. <td align="left"> Owen O&#x2019;Malley </td>
    825. 

  825. <td align="left"> Owen O&#x2019;Malley </td></tr>
    826. 

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

  827. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-82">HADOOP-82</a> </td>
    828. 

  828. <td align="left"> JobTracker loses it: NoSuchElementException </td>
    829. 

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

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

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

  832. <td align="left">  </td></tr>
    833. 

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

  834. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-86">HADOOP-86</a> </td>
    835. 

  835. <td align="left"> If corrupted map outputs, reducers get stuck fetching forever </td>
    836. 

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

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

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

  839. <td align="left"> Doug Cutting </td></tr>
    840. 

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

  841. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-93">HADOOP-93</a> </td>
    842. 

  842. <td align="left"> allow minimum split size configurable </td>
    843. 

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

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

  845. <td align="left"> Hairong Kuang </td>
    846. 

  846. <td align="left"> Doug Cutting </td></tr>
    847. 

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

  848. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-97">HADOOP-97</a> </td>
    849. 

  849. <td align="left"> DFSShell.cat returns NullPointerException if file does not exist </td>
    850. 

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

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

  852. <td align="left"> Konstantin Shvachko </td>
    853. 

  853. <td align="left"> Konstantin Shvachko </td></tr>
    854. 

  854. <tr class="b">
    855. 

  855. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-3">HADOOP-3</a> </td>
    856. 

  856. <td align="left"> Output directories are not cleaned up before the reduces run </td>
    857. 

  857. <td align="left">  Minor </td>
    858. 

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

  859. <td align="left"> Owen O&#x2019;Malley </td>
    860. 

  860. <td align="left"> Owen O&#x2019;Malley </td></tr>
    861. 

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

  862. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-83">HADOOP-83</a> </td>
    863. 

  863. <td align="left"> infinite retries accessing a missing block </td>
    864. 

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

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

  866. <td align="left"> Yoram Arnon </td>
    867. 

  867. <td align="left"> Konstantin Shvachko </td></tr>
    868. 

  868. <tr class="b">
    869. 

  869. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-52">HADOOP-52</a> </td>
    870. 

  870. <td align="left"> mapred input and output dirs must be absolute </td>
    871. 

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

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

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

  874. <td align="left"> Owen O&#x2019;Malley </td></tr>
    875. 

  875. <tr class="a">
    876. 

  876. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-98">HADOOP-98</a> </td>
    877. 

  877. <td align="left"> The JobTracker&#x2019;s count of the number of running maps and reduces is wrong </td>
    878. 

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

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

  880. <td align="left"> Owen O&#x2019;Malley </td>
    881. 

  881. <td align="left"> Owen O&#x2019;Malley </td></tr>
    882. 

  882. <tr class="b">
    883. 

  883. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-19">HADOOP-19</a> </td>
    884. 

  884. <td align="left"> Datanode corruption </td>
    885. 

  885. <td align="left">  Critical </td>
    886. 

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

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

  888. <td align="left"> Doug Cutting </td></tr>
    889. 

  889. <tr class="a">
    890. 

  890. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-84">HADOOP-84</a> </td>
    891. 

  891. <td align="left"> client should report file name in which IO exception occurs </td>
    892. 

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

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

  894. <td align="left"> Yoram Arnon </td>
    895. 

  895. <td align="left"> Konstantin Shvachko </td></tr>
    896. 

  896. <tr class="b">
    897. 

  897. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-2">HADOOP-2</a> </td>
    898. 

  898. <td align="left"> Reused Keys and Values fail with a Combiner </td>
    899. 

  899. <td align="left">  Major </td>
    900. 

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

  901. <td align="left"> Owen O&#x2019;Malley </td>
    902. 

  902. <td align="left"> Owen O&#x2019;Malley </td></tr>
    903. 

  903. <tr class="a">
    904. 

  904. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-110">HADOOP-110</a> </td>
    905. 

  905. <td align="left"> new key and value instances are allocated before each map </td>
    906. 

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

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

  908. <td align="left"> Owen O&#x2019;Malley </td>
    909. 

  909. <td align="left"> Owen O&#x2019;Malley </td></tr>
    910. 

  910. <tr class="b">
    911. 

  911. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-107">HADOOP-107</a> </td>
    912. 

  912. <td align="left"> Namenode errors &#x201c;Failed to complete filename.crc  because dir.getFile()==null and null&#x201d; </td>
    913. 

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

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

  915. <td align="left"> Igor Bolotin </td>
    916. 

  916. <td align="left"> Doug Cutting </td></tr>
    917. 

  917. <tr class="a">
    918. 

  918. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-100">HADOOP-100</a> </td>
    919. 

  919. <td align="left"> Inconsistent locking of the JobTracker.taskTrackers field </td>
    920. 

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

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

  922. <td align="left"> Owen O&#x2019;Malley </td>
    923. 

  923. <td align="left"> Owen O&#x2019;Malley </td></tr>
    924. 

  924. <tr class="b">
    925. 

  925. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-102">HADOOP-102</a> </td>
    926. 

  926. <td align="left"> Two identical consecutive loops in FSNamesystem.chooseTarget() </td>
    927. 

  927. <td align="left">  Major </td>
    928. 

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

  929. <td align="left"> Konstantin Shvachko </td>
    930. 

  930. <td align="left"> Konstantin Shvachko </td></tr>
    931. 

  931. <tr class="a">
    932. 

  932. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-112">HADOOP-112</a> </td>
    933. 

  933. <td align="left"> copyFromLocal should exclude .crc files </td>
    934. 

  934. <td align="left">  Minor </td>
    935. 

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

  936. <td align="left"> Monu Ogbe </td>
    937. 

  937. <td align="left"> Doug Cutting </td></tr>
    938. 

  938. </tbody>
    939. 

  939. </table></section><section>
    940. 

  940. <h3><a name="OTHER:"></a>OTHER:</h3>
    941. 

  941. <table border="0" class="bodyTable">
    942. 

  942. <thead>
    943. 

  943. 

  944. <tr class="a">
    945. 

  945. <th align="left"> JIRA </th>
    946. 

  946. <th align="left"> Summary </th>
    947. 

  947. <th align="left"> Priority </th>
    948. 

  948. <th align="left"> Component </th>
    949. 

  949. <th align="left"> Reporter </th>
    950. 

  950. <th align="left"> Contributor </th></tr>
    951. 

  951. </thead><tbody>
    952. 

  952. 

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

  954. <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1">HADOOP-1</a> </td>
    955. 

  955. <td align="left"> initial import of code from Nutch </td>
    956. 

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

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

  958. <td align="left"> Doug Cutting </td>
    959. 

  959. <td align="left"> Doug Cutting </td></tr>
    960. 

  960. </tbody>
    961. 

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