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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_0.19.1_-_2009-02-24"></a>Release 0.19.1 - 2009-02-24</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-4061">HADOOP-4061</a> </td> |
| <td align="left"> Large number of decommission freezes the Namenode </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Koji Noguchi </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/HADOOP-5225">HADOOP-5225</a> </td> |
| <td align="left"> workaround for tmp file handling on DataNodes in 0.19.1 (HADOOP-4663) </td> |
| <td align="left"> Blocker </td> |
| <td align="left"> . </td> |
| <td align="left"> Nigel Daley </td> |
| <td align="left"> Raghu Angadi </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-5224">HADOOP-5224</a> </td> |
| <td align="left"> Disable append </td> |
| <td align="left"> Blocker </td> |
| <td align="left"> . </td> |
| <td align="left"> Nigel Daley </td> |
| <td align="left"> </td></tr> |
| </tbody> |
| </table></div> |
| <div class="section"> |
| <h3><a name="NEW_FEATURES:"></a>NEW FEATURES:</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-5034">HADOOP-5034</a> </td> |
| <td align="left"> NameNode should send both replication and deletion requests to DataNode in one reply to a heartbeat </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Hairong Kuang </td> |
| <td align="left"> Hairong Kuang </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/HADOOP-4739">HADOOP-4739</a> </td> |
| <td align="left"> Minor enhancements to some sections of the Map/Reduce tutorial </td> |
| <td align="left"> Trivial </td> |
| <td align="left"> . </td> |
| <td align="left"> Vivek Ratan </td> |
| <td align="left"> Vivek Ratan </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-3894">HADOOP-3894</a> </td> |
| <td align="left"> DFSClient chould log errors better, and provide better diagnostics </td> |
| <td align="left"> Trivial </td> |
| <td align="left"> . </td> |
| <td align="left"> Steve Loughran </td> |
| <td align="left"> Steve Loughran </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-5086">HADOOP-5086</a> </td> |
| <td align="left"> Trash URI semantics can be relaxed </td> |
| <td align="left"> Minor </td> |
| <td align="left"> fs </td> |
| <td align="left"> Chris Douglas </td> |
| <td align="left"> Chris Douglas </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-5127">HADOOP-5127</a> </td> |
| <td align="left"> FSDirectory should not have public methods. </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Konstantin Shvachko </td> |
| <td align="left"> Jakob Homan </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/HADOOP-4616">HADOOP-4616</a> </td> |
| <td align="left"> assertion makes fuse-dfs exit when reading incomplete data </td> |
| <td align="left"> Blocker </td> |
| <td align="left"> . </td> |
| <td align="left"> Marc-Olivier Fleury </td> |
| <td align="left"> Pete Wyckoff </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-4697">HADOOP-4697</a> </td> |
| <td align="left"> KFS::getBlockLocations() fails with files having multiple blocks </td> |
| <td align="left"> Major </td> |
| <td align="left"> fs </td> |
| <td align="left"> Lohit Vijayarenu </td> |
| <td align="left"> Sriram Rao </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-4720">HADOOP-4720</a> </td> |
| <td align="left"> docs/api does not contain the hdfs directory after building </td> |
| <td align="left"> Major </td> |
| <td align="left"> build </td> |
| <td align="left"> Ramya Sunil </td> |
| <td align="left"> </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-4635">HADOOP-4635</a> </td> |
| <td align="left"> Memory leak ? </td> |
| <td align="left"> Blocker </td> |
| <td align="left"> . </td> |
| <td align="left"> Marc-Olivier Fleury </td> |
| <td align="left"> Pete Wyckoff </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-4420">HADOOP-4420</a> </td> |
| <td align="left"> JobTracker.killJob() doesn’t check for the JobID being valid </td> |
| <td align="left"> Minor </td> |
| <td align="left"> . </td> |
| <td align="left"> Steve Loughran </td> |
| <td align="left"> Aaron Kimball </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-4632">HADOOP-4632</a> </td> |
| <td align="left"> TestJobHistoryVersion should not create directory in current dir. </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Amareshwari Sriramadasu </td> |
| <td align="left"> Amar Kamat </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-4508">HADOOP-4508</a> </td> |
| <td align="left"> FSDataOutputStream.getPos() == 0when appending to existing file and should be file length </td> |
| <td align="left"> Major </td> |
| <td align="left"> fs </td> |
| <td align="left"> Pete Wyckoff </td> |
| <td align="left"> dhruba borthakur </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-4727">HADOOP-4727</a> </td> |
| <td align="left"> Groups do not work for fuse-dfs out of the box on 0.19.0 </td> |
| <td align="left"> Blocker </td> |
| <td align="left"> . </td> |
| <td align="left"> Brian Bockelman </td> |
| <td align="left"> Brian Bockelman </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-4731">HADOOP-4731</a> </td> |
| <td align="left"> Job is not removed from the waiting jobs queue upon completion. </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Hemanth Yamijala </td> |
| <td align="left"> Amar Kamat </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-4836">HADOOP-4836</a> </td> |
| <td align="left"> Minor typos in documentation and comments </td> |
| <td align="left"> Trivial </td> |
| <td align="left"> documentation </td> |
| <td align="left"> Jordà Polo </td> |
| <td align="left"> Jordà Polo </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-4821">HADOOP-4821</a> </td> |
| <td align="left"> Usage description in the Quotas guide documentations are incorrect </td> |
| <td align="left"> Minor </td> |
| <td align="left"> documentation </td> |
| <td align="left"> Boris Shkolnik </td> |
| <td align="left"> Boris Shkolnik </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-4797">HADOOP-4797</a> </td> |
| <td align="left"> RPC Server can leave a lot of direct buffers </td> |
| <td align="left"> Blocker </td> |
| <td align="left"> ipc </td> |
| <td align="left"> Raghu Angadi </td> |
| <td align="left"> Raghu Angadi </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-4924">HADOOP-4924</a> </td> |
| <td align="left"> Race condition in re-init of TaskTracker </td> |
| <td align="left"> Blocker </td> |
| <td align="left"> . </td> |
| <td align="left"> Devaraj Das </td> |
| <td align="left"> Devaraj Das </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-4847">HADOOP-4847</a> </td> |
| <td align="left"> OutputCommitter is loaded in the TaskTracker in localizeConfiguration </td> |
| <td align="left"> Blocker </td> |
| <td align="left"> . </td> |
| <td align="left"> Owen O’Malley </td> |
| <td align="left"> Amareshwari Sriramadasu </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-4966">HADOOP-4966</a> </td> |
| <td align="left"> Setup tasks are not removed from JobTracker’s taskIdToTIPMap even after the job completes </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Amar Kamat </td> |
| <td align="left"> Amareshwari Sriramadasu </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-4992">HADOOP-4992</a> </td> |
| <td align="left"> TestCustomOutputCommitter fails on hadoop-0.19 </td> |
| <td align="left"> Blocker </td> |
| <td align="left"> . </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/HADOOP-4982">HADOOP-4982</a> </td> |
| <td align="left"> TestFsck does not run in Eclipse. </td> |
| <td align="left"> Major </td> |
| <td align="left"> test </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-5008">HADOOP-5008</a> </td> |
| <td align="left"> TestReplication#testPendingReplicationRetry leaves an opened fd unclosed </td> |
| <td align="left"> Major </td> |
| <td align="left"> test </td> |
| <td align="left"> Hairong Kuang </td> |
| <td align="left"> Hairong Kuang </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-4943">HADOOP-4943</a> </td> |
| <td align="left"> fair share scheduler does not utilize all slots if the task trackers are configured heterogeneously </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Zheng Shao </td> |
| <td align="left"> Zheng Shao </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-4906">HADOOP-4906</a> </td> |
| <td align="left"> TaskTracker running out of memory after running several tasks </td> |
| <td align="left"> Blocker </td> |
| <td align="left"> . </td> |
| <td align="left"> Arun C Murthy </td> |
| <td align="left"> Sharad Agarwal </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-4918">HADOOP-4918</a> </td> |
| <td align="left"> Fix bzip2 work with SequenceFile </td> |
| <td align="left"> Major </td> |
| <td align="left"> io </td> |
| <td align="left"> Zheng Shao </td> |
| <td align="left"> Zheng Shao </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-4965">HADOOP-4965</a> </td> |
| <td align="left"> DFSClient should log instead of printing into std err. </td> |
| <td align="left"> Major </td> |
| <td align="left"> test </td> |
| <td align="left"> Konstantin Shvachko </td> |
| <td align="left"> Konstantin Shvachko </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-4967">HADOOP-4967</a> </td> |
| <td align="left"> Inconsistent state in JVM manager </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Amareshwari Sriramadasu </td> |
| <td align="left"> Devaraj Das </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-5002">HADOOP-5002</a> </td> |
| <td align="left"> 2 core tests TestFileOutputFormat and TestHarFileSystem are failing in branch 19 </td> |
| <td align="left"> Blocker </td> |
| <td align="left"> . </td> |
| <td align="left"> Ravi Gummadi </td> |
| <td align="left"> Amareshwari Sriramadasu </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-4983">HADOOP-4983</a> </td> |
| <td align="left"> Job counters sometimes go down as tasks run without task failures </td> |
| <td align="left"> Critical </td> |
| <td align="left"> . </td> |
| <td align="left"> Owen O’Malley </td> |
| <td align="left"> Amareshwari Sriramadasu </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-5009">HADOOP-5009</a> </td> |
| <td align="left"> DataNode#shutdown sometimes leaves data block scanner verification log unclosed </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Hairong Kuang </td> |
| <td align="left"> Hairong Kuang </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-4955">HADOOP-4955</a> </td> |
| <td align="left"> Make DBOutputFormat us column names from setOutput(…) </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Kevin Peterson </td> |
| <td align="left"> Kevin Peterson </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-4862">HADOOP-4862</a> </td> |
| <td align="left"> A spurious IOException log on DataNode is not completely removed </td> |
| <td align="left"> Blocker </td> |
| <td align="left"> . </td> |
| <td align="left"> Raghu Angadi </td> |
| <td align="left"> Raghu Angadi </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-5156">HADOOP-5156</a> </td> |
| <td align="left"> TestHeartbeatHandling uses MiniDFSCluster.getNamesystem() which does not exist in branch 0.20 </td> |
| <td align="left"> Major </td> |
| <td align="left"> test </td> |
| <td align="left"> Konstantin Shvachko </td> |
| <td align="left"> Hairong Kuang </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-4759">HADOOP-4759</a> </td> |
| <td align="left"> HADOOP-4654 to be fixed for branches >= 0.19 </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Amareshwari Sriramadasu </td> |
| <td align="left"> Amareshwari Sriramadasu </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-5161">HADOOP-5161</a> </td> |
| <td align="left"> Accepted sockets do not get placed in DataXceiverServer#childSockets </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Hairong Kuang </td> |
| <td align="left"> Hairong Kuang </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-5193">HADOOP-5193</a> </td> |
| <td align="left"> SecondaryNameNode does not rollImage because of incorrect calculation of edits modification time. </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Konstantin Shvachko </td> |
| <td align="left"> Konstantin Shvachko </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-4494">HADOOP-4494</a> </td> |
| <td align="left"> libhdfs does not call FileSystem.append when O_APPEND passed to hdfsOpenFile </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Pete Wyckoff </td> |
| <td align="left"> Pete Wyckoff </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-5166">HADOOP-5166</a> </td> |
| <td align="left"> JobTracker fails to restart if recovery and ACLs are enabled </td> |
| <td align="left"> Blocker </td> |
| <td align="left"> . </td> |
| <td align="left"> Karam Singh </td> |
| <td align="left"> Amar Kamat </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-5192">HADOOP-5192</a> </td> |
| <td align="left"> Block reciever should not remove a finalized block when block replication fails </td> |
| <td align="left"> Blocker </td> |
| <td align="left"> . </td> |
| <td align="left"> Hairong Kuang </td> |
| <td align="left"> Hairong Kuang </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-5067">HADOOP-5067</a> </td> |
| <td align="left"> Failed/Killed attempts column in jobdetails.jsp does not show the number of failed/killed attempts correctly </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Amareshwari Sriramadasu </td> |
| <td align="left"> Amareshwari Sriramadasu </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-4760">HADOOP-4760</a> </td> |
| <td align="left"> HDFS streams should not throw exceptions when closed twice </td> |
| <td align="left"> Major </td> |
| <td align="left"> fs, fs/s3 </td> |
| <td align="left"> Alejandro Abdelnur </td> |
| <td align="left"> Enis Soztutar </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-5134">HADOOP-5134</a> </td> |
| <td align="left"> FSNamesystem#commitBlockSynchronization adds under-construction block locations to blocksMap </td> |
| <td align="left"> Blocker </td> |
| <td align="left"> . </td> |
| <td align="left"> Hairong Kuang </td> |
| <td align="left"> dhruba borthakur </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-5268">HADOOP-5268</a> </td> |
| <td align="left"> Using MultipleOutputFormat and setting reducers to 0 causes org.apache.hadoop.hdfs.protocol.AlreadyBeingCreatedException and job to fail </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Thibaut </td> |
| <td align="left"> </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-5665">HADOOP-5665</a> </td> |
| <td align="left"> Namenode could not be formatted because the “whoami” program could not be run. </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Evelyn Sylvia </td> |
| <td align="left"> </td></tr> |
| </tbody> |
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