Apache Hadoop Changelog

Release 0.19.2 - 2009-07-23

INCOMPATIBLE CHANGES:

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HADOOP-5332 Make support for file append API configurable Blocker . Nigel Daley dhruba borthakur

IMPORTANT ISSUES:

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NEW FEATURES:

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IMPROVEMENTS:

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HADOOP-5379 Throw exception instead of writing to System.err when there is a CRC error on CBZip2InputStream Minor io Rodrigo Schmidt Rodrigo Schmidt

BUG FIXES:

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HADOOP-6017 NameNode and SecondaryNameNode fail to restart because of abnormal filenames. Blocker . Raghu Angadi Tsz Wo Nicholas Sze
HADOOP-5951 StorageInfo needs Apache license header. Major . Suresh Srinivas Suresh Srinivas
HADOOP-5816 ArrayIndexOutOfBoundsException when using KeyFieldBasedComparator Minor . Min Zhou He Yongqiang
HADOOP-5728 FSEditLog.printStatistics may cause IndexOutOfBoundsException Major . Wang Xu Wang Xu
HADOOP-5671 DistCp.sameFile(..) should return true if src fs does not support checksum Major . Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HADOOP-5644 Namnode is stuck in safe mode Major . Suresh Srinivas Suresh Srinivas
HADOOP-5579 libhdfs does not set errno correctly Major . Brian Bockelman Brian Bockelman
HADOOP-5557 Two minor problems in TestOverReplicatedBlocks Minor test Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HADOOP-5554 DataNodeCluster should create blocks with the same generation stamp as the blocks created in CreateEditsLog Major test Hairong Kuang Hairong Kuang
HADOOP-5551 Namenode permits directory destruction on overwrite Critical . Brian Bockelman Brian Bockelman
HADOOP-5549 ReplicationMonitor should schedule both replication and deletion work in one iteration Major . Hairong Kuang Hairong Kuang
HADOOP-5522 Document job setup/cleaup tasks and task cleanup tasks in mapred tutorial Blocker . Amareshwari Sriramadasu Amareshwari Sriramadasu
HADOOP-5479 NameNode should not send empty block replication request to DataNode Critical . Hairong Kuang Hairong Kuang
HADOOP-5465 Blocks remain under-replicated Blocker . Hairong Kuang Hairong Kuang
HADOOP-5449 Verify if JobHistory.HistoryCleaner works as expected Blocker . Amar Kamat Amareshwari Sriramadasu
HADOOP-5446 TaskTracker metrics are disabled Major metrics Chris Douglas Chris Douglas
HADOOP-5440 Successful taskid are not removed from TaskMemoryManager Blocker . Amareshwari Sriramadasu Amareshwari Sriramadasu
HADOOP-5421 HADOOP-4638 has broken 0.19 compilation Blocker . Amar Kamat Devaraj Das
HADOOP-5392 JobTracker crashes during recovery if job files are garbled Blocker . Amar Kamat Amar Kamat
HADOOP-5384 DataNodeCluster should not create blocks with generationStamp == 1 Blocker test Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HADOOP-5376 JobInProgress.obtainTaskCleanupTask() throws an ArrayIndexOutOfBoundsException Blocker . Vinod Kumar Vavilapalli Amareshwari Sriramadasu
HADOOP-5374 NPE in JobTracker.getTasksToSave() method Major . Vinod Kumar Vavilapalli Amareshwari Sriramadasu
HADOOP-5333 The libhdfs append API is not coded correctly Major . dhruba borthakur dhruba borthakur
HADOOP-5326 bzip2 codec (CBZip2OutputStream) creates corrupted output file for some inputs Major io Rodrigo Schmidt Rodrigo Schmidt
HADOOP-5285 JobTracker hangs for long periods of time Blocker . Vinod Kumar Vavilapalli Devaraj Das
HADOOP-5280 When expiring a lost launched task, JT doesn’t remove the attempt from the taskidToTIPMap. Blocker . Vinod Kumar Vavilapalli Devaraj Das
HADOOP-5269 TaskTracker.runningTasks holding FAILED_UNCLEAN and KILLED_UNCLEAN taskStatuses forever in some cases. Blocker . Amareshwari Sriramadasu Amareshwari Sriramadasu
HADOOP-5247 NPEs in JobTracker and JobClient when mapred.jobtracker.completeuserjobs.maximum is set to zero. Blocker . Vinod Kumar Vavilapalli Amar Kamat
HADOOP-5241 Reduce tasks get stuck because of over-estimated task size (regression from 0.18) Blocker . Andy Pavlo Sharad Agarwal
HADOOP-5233 Reducer not Succeded after 100% Blocker . Amareshwari Sriramadasu Amareshwari Sriramadasu
HADOOP-5231 Negative number of maps in cluster summary Major . Amareshwari Sriramadasu Amareshwari Sriramadasu
HADOOP-5213 BZip2CompressionOutputStream NullPointerException Blocker io Zheng Shao Zheng Shao
HADOOP-5154 4-way deadlock in FairShare scheduler Blocker . Vinod Kumar Vavilapalli Matei Zaharia
HADOOP-5146 LocalDirAllocator misses files on the local filesystem Blocker . Arun C Murthy Devaraj Das
HADOOP-4780 Task Tracker burns a lot of cpu in calling getLocalCache Major . Runping Qi He Yongqiang
HADOOP-4719 The ls shell command documentation is out-dated Major documentation Tsz Wo Nicholas Sze Ravi Phulari
HADOOP-4638 Exception thrown in/from RecoveryManager.recover() should be caught and handled Blocker . Amar Kamat Amar Kamat
HADOOP-3998 Got an exception from ClientFinalizer when the JT is terminated Blocker . Amar Kamat dhruba borthakur

TESTS:

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SUB-TASKS:

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OTHER:

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