Project: Apache Hadoop (App Definition and Development / Database)
File: CHANGELOG.0.19.1.md

<! --> | JIRA | Summary | Priority | Component | Reporter | Contributor | |:- |:- | : |:- |:- |:- | | | Large number of decommission freezes the Namenode | Major | . | Koji Noguchi | Tsz Wo Nicholas Sze | | | workaround for tmp file handling on DataNodes in 0.19.1 (HADOOP-4663) | Blocker | . | Nigel Daley | Raghu Angadi | | | Disable append | Blocker | . | Nigel Daley | | | JIRA | Summary | Priority | Component | Reporter | Contributor | |:- |:- | : |:- |:- |:- | | | NameNode should send both replication and deletion requests to DataNode in one reply to a heartbeat | Major | . | Hairong Kuang | Hairong Kuang | | JIRA | Summary | Priority | Component | Reporter | Contributor | |:- |:- | : |:- |:- |:- | | | Minor enhancements to some sections of the Map/Reduce tutorial | Trivial | . | Vivek Ratan | Vivek Ratan | | | DFSClient chould log errors better, and provide better diagnostics | Trivial | . | Steve Loughran | Steve Loughran | | | Trash URI semantics can be relaxed | Minor | fs | Chris Douglas | Chris Douglas | | | FSDirectory should not have public methods. | Major | . | Konstantin Shvachko | Jakob Homan | | JIRA | Summary | Priority | Component | Reporter | Contributor | |:- |:- | : |:- |:- |:- | | | assertion makes fuse-dfs exit when reading incomplete data | Blocker | . | Marc-Olivier Fleury | Pete Wyckoff | | | KFS::getBlockLocations() fails with files having multiple blocks | Major | fs | Lohit Vijayarenu | Sriram Rao | | | docs/api does not contain the hdfs directory after building | Major | build | Ramya Sunil | | | | Memory leak ? | Blocker | . | Marc-Olivier Fleury | Pete Wyckoff | | | JobTracker.killJob() doesn't check for the JobID being valid | Minor | . | Steve Loughran | Aaron Kimball | | | TestJobHistoryVersion should not create directory in current dir. | Major | . | Amareshwari Sriramadasu | Amar Kamat | | | FSDataOutputStream.getPos() == 0when appending to existing file and should be file length | Major | fs | Pete Wyckoff | dhruba borthakur | | | Groups do not work for fuse-dfs out of the box on 0.19.0 | Blocker | . | Brian Bockelman | Brian Bockelman | | | Job is not removed from the waiting jobs queue upon completion. | Major | . | Hemanth Yamijala | Amar Kamat | | | Minor typos in documentation and comments | Trivial | documentation | Jord Polo | Jord Polo | | | Usage description in the Quotas guide documentations are incorrect | Minor | documentation | Boris Shkolnik | Boris Shkolnik | | | RPC Server can leave a lot of direct buffers | Blocker | ipc | Raghu Angadi | Raghu Angadi | | | Race condition in re-init of TaskTracker | Blocker | . | Devaraj Das | Devaraj Das | | | OutputCommitter is loaded in the TaskTracker in localizeConfiguration | Blocker |

| Owen O'Malley | Amareshwari Sriramadasu | | | Setup tasks are not removed from JobTracker's taskIdToTIPMap even after the job completes | Major | . | Amar Kamat | Amareshwari Sriramadasu | | | TestCustomOutputCommitter fails on hadoop-0.19 | Blocker | . | Amar Kamat | Amareshwari Sriramadasu | | | TestFsck does not run in Eclipse. | Major | test | Konstantin Shvachko | Konstantin Shvachko | | | TestReplication#testPendingReplicationRetry leaves an opened fd unclosed | Major | test | Hairong Kuang | Hairong Kuang | | | fair share scheduler does not utilize all slots if the task trackers are configured heterogeneously | Major | . | Zheng Shao | Zheng Shao | | | TaskTracker running out of memory after running several tasks | Blocker | . | Arun C Murthy | Sharad Agarwal | | | Fix bzip2 work with SequenceFile | Major | io | Zheng Shao | Zheng Shao | | | DFSClient should log instead of printing into std err. | Major | test | Konstantin Shvachko | Konstantin Shvachko | | | Inconsistent state in JVM manager | Major | . | Amareshwari Sriramadasu | Devaraj Das | | | 2 core tests TestFileOutputFormat and TestHarFileSystem are failing in branch 19 | Blocker | . | Ravi Gummadi | Amareshwari Sriramadasu | | | Job counters sometimes go down as tasks run without task failures | Critical | . | Owen O'Malley | Amareshwari Sriramadasu | | | DataNode#shutdown sometimes leaves data block scanner verification log unclosed | Major | . | Hairong Kuang | Hairong Kuang | | | Make DBOutputFormat us column names from setOutput(...) | Major | . | Kevin Peterson | Kevin Peterson | | | A spurious IOException log on DataNode is not completely removed | Blocker | . | Raghu Angadi | Raghu Angadi | | | TestHeartbeatHandling uses MiniDFSCluster.getNamesystem() which does not exist in branch 0.20 | Major | test | Konstantin Shvachko | Hairong Kuang | | | HADOOP-4654 to be fixed for branches \>= 0.19 | Major | . | Amareshwari Sriramadasu | Amareshwari Sriramadasu | | | Accepted sockets do not get placed in DataXceiverServer#childSockets | Major | . | Hairong Kuang | Hairong Kuang | | | SecondaryNameNode does not rollImage because of incorrect calculation of edits modification time. | Major | . | Konstantin Shvachko | Konstantin Shvachko | | | libhdfs does not call FileSystem.append when O\_APPEND passed to hdfsOpenFile | Major | . | Pete Wyckoff | Pete Wyckoff | | | JobTracker fails to restart if recovery and ACLs are enabled | Blocker | . | Karam Singh | Amar Kamat | | | Block reciever should not remove a finalized block when block replication fails | Blocker | . | Hairong Kuang | Hairong Kuang | | | Failed/Killed attempts column in jobdetails.jsp does not show the number of failed/killed attempts correctly | Major | . | Amareshwari Sriramadasu | Amareshwari Sriramadasu | | | HDFS streams should not throw exceptions when closed twice | Major | fs, fs/s3 | Alejandro Abdelnur | Enis Soztutar | | | FSNamesystem#commitBlockSynchronization adds under-construction block locations to blocksMap | Blocker | . | Hairong Kuang | dhruba borthakur | | | Using MultipleOutputFormat and setting reducers to 0 causes org.apache.hadoop.hdfs.protocol.AlreadyBeingCreatedException and job to fail | Major | . | Thibaut | | | | Namenode could not be formatted because the "whoami" program could not be run. | Major | . | Evelyn Sylvia | |