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All Projects : Hadoop Common : 0.20.0 (Fix For Version)

Release Date: 22/Apr/09
0.20.0 2009-04-22T07-00

Summary

	HADOOP-5154	FIXED	4-way deadlock in FairShare scheduler
	HADOOP-4878	FIXED	After introduction of ivy ant test-patch always returns -1 score
	HADOOP-5605	FIXED	All the replicas incorrectly got marked as corrupt.
	HADOOP-4988	FIXED	An earlier fix, for HADOOP-4373, results in a problem with reclaiming capacity when one or more queues have a capacity equal to zero
	HADOOP-5465	FIXED	Blocks remain under-replicated
	HADOOP-4876	FIXED	Capacity reclaimation for queue would not work as intended
	HADOOP-5214	FIXED	ConcurrentModificationException in FairScheduler.getTotalSlots
	HADOOP-5384	FIXED	DataNodeCluster should not create blocks with generationStamp == 1
	HADOOP-4977	FIXED	Deadlock between reclaimCapacity and assignTasks
	HADOOP-5534	FIXED	Deadlock triggered by FairScheduler scheduler's servlet due to changes from HADOOP-5214.
	HADOOP-5522	FIXED	Document job setup/cleaup tasks and task cleanup tasks in mapred tutorial
	HADOOP-4638	FIXED	Exception thrown in/from RecoveryManager.recover() should be caught and handled
	HADOOP-5585	FIXED	FileSystem statistic counters are too high when JVM reuse is enabled.
	HADOOP-4204	FIXED	Fix warnings generated by FindBugs
	HADOOP-5281	FIXED	GzipCodec fails second time it is used in a process
	HADOOP-4783	FIXED	History files are given world readable permissions.
	HADOOP-5417	FIXED	IPC client drops interrupted exceptions
	HADOOP-5306	FIXED	Job History file can have empty string as http port after JobTracker Restart in case of lost TT, which can result in NumberFormatException when JT is restarted 2nd time
	HADOOP-5248	FIXED	Job directories could remain undeleted in some scenarios after job completes.
	HADOOP-5327	FIXED	Job files for a job failing because of ACLs are not clean from the system directory
	HADOOP-5376	FIXED	JobInProgress.obtainTaskCleanupTask() throws an ArrayIndexOutOfBoundsException
	HADOOP-5285	FIXED	JobTracker hangs for long periods of time
	HADOOP-5146	FIXED	LocalDirAllocator misses files on the local filesystem
	HADOOP-5576	FIXED	LocalJobRunner does not run jobs using new MapReduce API
	HADOOP-4869	FIXED	Lost Trackers may not be able to join back
	HADOOP-4035	FIXED	Modify the capacity scheduler (HADOOP-3445) to schedule tasks based on memory requirements and task trackers free memory
	HADOOP-4956	FIXED	NPE when jobdetails.jsp
	HADOOP-5247	FIXED	NPEs in JobTracker and JobClient when mapred.jobtracker.completeuserjobs.maximum is set to zero.
	HADOOP-4949	FIXED	Native compilation is broken
	HADOOP-5548	FIXED	Observed negative running maps on the job tracker
	HADOOP-4664	FIXED	Parallelize job initialization
	HADOOP-5075	FIXED	Potential infinite loop in updateMinSlots
	HADOOP-5338	FIXED	Reduce tasks are stuck waiting for map outputs when none are in progress
	HADOOP-5241	FIXED	Reduce tasks get stuck because of over-estimated task size (regression from 0.18)
	HADOOP-5233	FIXED	Reducer not Succeded after 100%
	HADOOP-5531	FIXED	Remove Chukwa on branch-0.20
	HADOOP-4874	FIXED	Remove bindings to lzo
	HADOOP-5282	FIXED	Running tasks on lost trackers are incorrectly logging the attempt and task failures
	HADOOP-5493	FIXED	Shuffle copiers do not return Codecs back to the pool at the end of shuffling
	HADOOP-5440	FIXED	Successful taskid are not removed from TaskMemoryManager
	HADOOP-5516	FIXED	TaskMemoryManagerThread crashes in a corner case
	HADOOP-5269	FIXED	TaskTracker.runningTasks holding FAILED_UNCLEAN and KILLED_UNCLEAN taskStatuses forever in some cases.
	HADOOP-4695	FIXED	TestGlobalFilter.testServletFilter fails
	HADOOP-4879	FIXED	TestJobTrackerRestart fails on trunk
	HADOOP-5490	FIXED	TestParallelInitialization failed on NoSuchElementException
	HADOOP-4786	FIXED	TestTrackerBlacklistAcrossJobs compilation is broken
	HADOOP-4787	FIXED	TestTrackerBlacklistAcrossJobs fails randomly
	HADOOP-4857	FIXED	TestUlimit is failing after Hadoop-4620
	HADOOP-5577	FIXED	The Job.waitForCompletion doesn't print status as the job runs
	HADOOP-4178	FIXED	The capacity scheduler's defaults for queues should be configurable.
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