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| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| --> |
| <h1>Apache Hadoop Changelog</h1> |
| <div class="section"> |
| <h2><a name="Release_0.20.3_-_Unreleased_.28as_of_2018-09-01.29"></a>Release 0.20.3 - Unreleased (as of 2018-09-01)</h2> |
| <div class="section"> |
| <h3><a name="INCOMPATIBLE_CHANGES:"></a>INCOMPATIBLE CHANGES:</h3> |
| <table border="0" class="bodyTable"> |
| <thead> |
| |
| <tr class="a"> |
| <th align="left"> JIRA </th> |
| <th align="left"> Summary </th> |
| <th align="left"> Priority </th> |
| <th align="left"> Component </th> |
| <th align="left"> Reporter </th> |
| <th align="left"> Contributor </th></tr> |
| </thead><tbody> |
| |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-6382">HADOOP-6382</a> </td> |
| <td align="left"> publish hadoop jars to apache mvn repo. </td> |
| <td align="left"> Major </td> |
| <td align="left"> build </td> |
| <td align="left"> Giridharan Kesavan </td> |
| <td align="left"> Giridharan Kesavan </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-132">HDFS-132</a> </td> |
| <td align="left"> Namenode in Safemode reports to Simon non-zero number of deleted files during startup </td> |
| <td align="left"> Minor </td> |
| <td align="left"> namenode </td> |
| <td align="left"> Hairong Kuang </td> |
| <td align="left"> Suresh Srinivas </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-6701">HADOOP-6701</a> </td> |
| <td align="left"> Incorrect exit codes for “dfs -chown”, “dfs -chgrp” </td> |
| <td align="left"> Minor </td> |
| <td align="left"> fs </td> |
| <td align="left"> Ravi Phulari </td> |
| <td align="left"> Ravi Phulari </td></tr> |
| </tbody> |
| </table></div> |
| <div class="section"> |
| <h3><a name="IMPROVEMENTS:"></a>IMPROVEMENTS:</h3> |
| <table border="0" class="bodyTable"> |
| <thead> |
| |
| <tr class="a"> |
| <th align="left"> JIRA </th> |
| <th align="left"> Summary </th> |
| <th align="left"> Priority </th> |
| <th align="left"> Component </th> |
| <th align="left"> Reporter </th> |
| <th align="left"> Contributor </th></tr> |
| </thead><tbody> |
| |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-1832">MAPREDUCE-1832</a> </td> |
| <td align="left"> Support for file sizes less than 1MB in DFSIO benchmark. </td> |
| <td align="left"> Major </td> |
| <td align="left"> benchmarks </td> |
| <td align="left"> Konstantin Shvachko </td> |
| <td align="left"> Konstantin Shvachko </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7240">HADOOP-7240</a> </td> |
| <td align="left"> Update eclipse .classpath template </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Aaron T. Myers </td> |
| <td align="left"> Aaron T. Myers </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-1734">MAPREDUCE-1734</a> </td> |
| <td align="left"> Un-deprecate the old MapReduce API in the 0.20 branch </td> |
| <td align="left"> Blocker </td> |
| <td align="left"> documentation </td> |
| <td align="left"> Tom White </td> |
| <td align="left"> Todd Lipcon </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1013">HDFS-1013</a> </td> |
| <td align="left"> Miscellaneous improvements to HTML markup for web UIs </td> |
| <td align="left"> Minor </td> |
| <td align="left"> . </td> |
| <td align="left"> Todd Lipcon </td> |
| <td align="left"> Eugene Koontz </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-6882">HADOOP-6882</a> </td> |
| <td align="left"> Update the patch level of Jetty </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Owen O’Malley </td> |
| <td align="left"> Owen O’Malley </td></tr> |
| </tbody> |
| </table></div> |
| <div class="section"> |
| <h3><a name="BUG_FIXES:"></a>BUG FIXES:</h3> |
| <table border="0" class="bodyTable"> |
| <thead> |
| |
| <tr class="a"> |
| <th align="left"> JIRA </th> |
| <th align="left"> Summary </th> |
| <th align="left"> Priority </th> |
| <th align="left"> Component </th> |
| <th align="left"> Reporter </th> |
| <th align="left"> Contributor </th></tr> |
| </thead><tbody> |
| |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-15">HDFS-15</a> </td> |
| <td align="left"> Rack replication policy can be violated for over replicated blocks </td> |
| <td align="left"> Critical </td> |
| <td align="left"> . </td> |
| <td align="left"> Hairong Kuang </td> |
| <td align="left"> Jitendra Nath Pandey </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-1522">MAPREDUCE-1522</a> </td> |
| <td align="left"> FileInputFormat may change the file system of an input path </td> |
| <td align="left"> Blocker </td> |
| <td align="left"> . </td> |
| <td align="left"> Tsz Wo Nicholas Sze </td> |
| <td align="left"> Tsz Wo Nicholas Sze </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-1407">MAPREDUCE-1407</a> </td> |
| <td align="left"> Invalid example in the documentation of org.apache.hadoop.mapreduce.{Mapper,Reducer} </td> |
| <td align="left"> Trivial </td> |
| <td align="left"> documentation </td> |
| <td align="left"> Benoit Sigoure </td> |
| <td align="left"> Benoit Sigoure </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-955">HDFS-955</a> </td> |
| <td align="left"> FSImage.saveFSImage can lose edits </td> |
| <td align="left"> Blocker </td> |
| <td align="left"> namenode </td> |
| <td align="left"> Todd Lipcon </td> |
| <td align="left"> Konstantin Shvachko </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1041">HDFS-1041</a> </td> |
| <td align="left"> DFSClient does not retry in getFileChecksum(..) </td> |
| <td align="left"> Major </td> |
| <td align="left"> hdfs-client </td> |
| <td align="left"> Tsz Wo Nicholas Sze </td> |
| <td align="left"> Tsz Wo Nicholas Sze </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-909">HDFS-909</a> </td> |
| <td align="left"> Race condition between rollEditLog or rollFSImage ant FSEditsLog.write operations corrupts edits log </td> |
| <td align="left"> Blocker </td> |
| <td align="left"> namenode </td> |
| <td align="left"> Cosmin Lehene </td> |
| <td align="left"> Todd Lipcon </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-6702">HADOOP-6702</a> </td> |
| <td align="left"> Incorrect exit codes for “dfs -chown”, “dfs -chgrp” when input is given in wildcard format. </td> |
| <td align="left"> Minor </td> |
| <td align="left"> fs </td> |
| <td align="left"> Ravi Phulari </td> |
| <td align="left"> Ravi Phulari </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-6760">HADOOP-6760</a> </td> |
| <td align="left"> WebServer shouldn’t increase port number in case of negative port setting caused by Jetty’s race </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Konstantin Boudnik </td> |
| <td align="left"> Konstantin Boudnik </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-1372">MAPREDUCE-1372</a> </td> |
| <td align="left"> ConcurrentModificationException in JobInProgress </td> |
| <td align="left"> Blocker </td> |
| <td align="left"> jobtracker </td> |
| <td align="left"> Amareshwari Sriramadasu </td> |
| <td align="left"> Dick King </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-118">MAPREDUCE-118</a> </td> |
| <td align="left"> Job.getJobID() will always return null </td> |
| <td align="left"> Blocker </td> |
| <td align="left"> client </td> |
| <td align="left"> Amar Kamat </td> |
| <td align="left"> Amareshwari Sriramadasu </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-1880">MAPREDUCE-1880</a> </td> |
| <td align="left"> “java.lang.ArithmeticException: Non-terminating decimal expansion; no exact representable decimal result.” while running “hadoop jar hadoop-0.20.1+169.89-examples.jar pi 4 30” </td> |
| <td align="left"> Minor </td> |
| <td align="left"> examples </td> |
| <td align="left"> Victor Pakhomov </td> |
| <td align="left"> Tsz Wo Nicholas Sze </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1258">HDFS-1258</a> </td> |
| <td align="left"> Clearing namespace quota on “/” corrupts FS image </td> |
| <td align="left"> Blocker </td> |
| <td align="left"> namenode </td> |
| <td align="left"> Aaron T. Myers </td> |
| <td align="left"> Aaron T. Myers </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-6881">HADOOP-6881</a> </td> |
| <td align="left"> The efficient comparators aren’t always used except for BytesWritable and Text </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Owen O’Malley </td> |
| <td align="left"> Owen O’Malley </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-6833">HADOOP-6833</a> </td> |
| <td align="left"> IPC leaks call parameters when exceptions thrown </td> |
| <td align="left"> Blocker </td> |
| <td align="left"> . </td> |
| <td align="left"> Todd Lipcon </td> |
| <td align="left"> Todd Lipcon </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-6928">HADOOP-6928</a> </td> |
| <td align="left"> Fix BooleanWritable comparator in 0.20 </td> |
| <td align="left"> Major </td> |
| <td align="left"> io </td> |
| <td align="left"> Owen O’Malley </td> |
| <td align="left"> Johannes Zillmann </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1404">HDFS-1404</a> </td> |
| <td align="left"> TestNodeCount logic incorrect in branch-0.20 </td> |
| <td align="left"> Minor </td> |
| <td align="left"> namenode, test </td> |
| <td align="left"> Todd Lipcon </td> |
| <td align="left"> Todd Lipcon </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-1280">MAPREDUCE-1280</a> </td> |
| <td align="left"> Eclipse Plugin does not work with Eclipse Ganymede (3.4) </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Aaron Kimball </td> |
| <td align="left"> Alex Kozlov </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-6724">HADOOP-6724</a> </td> |
| <td align="left"> IPC doesn’t properly handle IOEs thrown by socket factory </td> |
| <td align="left"> Major </td> |
| <td align="left"> ipc </td> |
| <td align="left"> Todd Lipcon </td> |
| <td align="left"> Todd Lipcon </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1240">HDFS-1240</a> </td> |
| <td align="left"> TestDFSShell failing in branch-20 </td> |
| <td align="left"> Critical </td> |
| <td align="left"> test </td> |
| <td align="left"> Todd Lipcon </td> |
| <td align="left"> Todd Lipcon </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-727">HDFS-727</a> </td> |
| <td align="left"> bug setting block size hdfsOpenFile </td> |
| <td align="left"> Blocker </td> |
| <td align="left"> libhdfs </td> |
| <td align="left"> Eli Collins </td> |
| <td align="left"> Eli Collins </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-908">HDFS-908</a> </td> |
| <td align="left"> TestDistributedFileSystem fails with Wrong FS on weird hosts </td> |
| <td align="left"> Minor </td> |
| <td align="left"> test </td> |
| <td align="left"> Todd Lipcon </td> |
| <td align="left"> Todd Lipcon </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1377">HDFS-1377</a> </td> |
| <td align="left"> Quota bug for partial blocks allows quotas to be violated </td> |
| <td align="left"> Blocker </td> |
| <td align="left"> namenode </td> |
| <td align="left"> Eli Collins </td> |
| <td align="left"> Eli Collins </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1406">HDFS-1406</a> </td> |
| <td align="left"> TestCLI fails on Ubuntu with default /etc/hosts </td> |
| <td align="left"> Minor </td> |
| <td align="left"> . </td> |
| <td align="left"> Todd Lipcon </td> |
| <td align="left"> Konstantin Boudnik </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-2262">MAPREDUCE-2262</a> </td> |
| <td align="left"> Capacity Scheduler unit tests fail with class not found </td> |
| <td align="left"> Major </td> |
| <td align="left"> capacity-sched </td> |
| <td align="left"> Owen O’Malley </td> |
| <td align="left"> Owen O’Malley </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-6923">HADOOP-6923</a> </td> |
| <td align="left"> Native Libraries do not load if a different platform signature is returned from org.apache.hadoop.util.PlatformName </td> |
| <td align="left"> Major </td> |
| <td align="left"> native </td> |
| <td align="left"> Stephen Watt </td> |
| <td align="left"> Stephen Watt </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1543">HDFS-1543</a> </td> |
| <td align="left"> Reduce dev. cycle time by moving system testing artifacts from default build and push to maven for HDFS </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Arun C Murthy </td> |
| <td align="left"> Luke Lu </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1836">HDFS-1836</a> </td> |
| <td align="left"> Thousand of CLOSE_WAIT socket </td> |
| <td align="left"> Major </td> |
| <td align="left"> hdfs-client </td> |
| <td align="left"> Dennis Cheung </td> |
| <td align="left"> Bharath Mundlapudi </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7116">HADOOP-7116</a> </td> |
| <td align="left"> raise contrib junit test jvm memory size to 512mb </td> |
| <td align="left"> Major </td> |
| <td align="left"> test </td> |
| <td align="left"> Owen O’Malley </td> |
| <td align="left"> Owen O’Malley </td></tr> |
| </tbody> |
| </table></div> |
| <div class="section"> |
| <h3><a name="TESTS:"></a>TESTS:</h3> |
| <table border="0" class="bodyTable"> |
| <thead> |
| |
| <tr class="a"> |
| <th align="left"> JIRA </th> |
| <th align="left"> Summary </th> |
| <th align="left"> Priority </th> |
| <th align="left"> Component </th> |
| <th align="left"> Reporter </th> |
| <th align="left"> Contributor </th></tr> |
| </thead><tbody> |
| |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-6637">HADOOP-6637</a> </td> |
| <td align="left"> Benchmark overhead of RPC session establishment </td> |
| <td align="left"> Major </td> |
| <td align="left"> benchmarks </td> |
| <td align="left"> Konstantin Shvachko </td> |
| <td align="left"> Konstantin Shvachko </td></tr> |
| </tbody> |
| </table></div> |
| <div class="section"> |
| <h3><a name="OTHER:"></a>OTHER:</h3> |
| <table border="0" class="bodyTable"> |
| <thead> |
| |
| <tr class="a"> |
| <th align="left"> JIRA </th> |
| <th align="left"> Summary </th> |
| <th align="left"> Priority </th> |
| <th align="left"> Component </th> |
| <th align="left"> Reporter </th> |
| <th align="left"> Contributor </th></tr> |
| </thead><tbody> |
| |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-1286">HDFS-1286</a> </td> |
| <td align="left"> Dry entropy pool on Hudson boxes causing test timeouts </td> |
| <td align="left"> Major </td> |
| <td align="left"> test </td> |
| <td align="left"> Todd Lipcon </td> |
| <td align="left"> Konstantin Boudnik </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7372">HADOOP-7372</a> </td> |
| <td align="left"> Remove ref of 20.3 release from branch-0.20 CHANGES.txt </td> |
| <td align="left"> Major </td> |
| <td align="left"> documentation </td> |
| <td align="left"> Eli Collins </td> |
| <td align="left"> Eli Collins </td></tr> |
| </tbody> |
| </table></div></div> |
| </div> |
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