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[MAPREDUCE-5213] Re-assess TokenCache methods marked @Private - MapReduce - [issue]
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...While looking at the source, noticed that TokenCache#loadTokens methods are marked @Private but not used anywhere. We should either remove those methods or mark them Public or LimitedPrivate...
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http://issues.apache.org/jira/browse/MAPREDUCE-5213
Author: Karthik Kambatla,
2013-06-18, 18:56
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[MAPREDUCE-5028] Maps fail when io.sort.mb is set to high value - MapReduce - [issue]
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...Verified the problem exists on branch-1 with the following configuration:Pseudo-dist mode: 2 maps/ 1 reduce, mapred.child.java.opts=-Xmx2048m, io.sort.mb=1280, dfs.block.size=2147483648Run t...
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http://issues.apache.org/jira/browse/MAPREDUCE-5028
Author: Karthik Kambatla,
2013-06-16, 00:31
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[MAPREDUCE-4707] Add a comment to explain why FairScheduler#dump()'s body is synchronized on eventLog - MapReduce - [issue]
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...FairScheduler#dump() is a synchronized method. In addition to that, the entire method body is in a synchronized block on eventLog. However, there is no other portion of the code that tries t...
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http://issues.apache.org/jira/browse/MAPREDUCE-4707
Author: Karthik Kambatla,
2013-06-07, 04:49
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[MAPREDUCE-5250] Searching for ';' in JobTracker History throws ArrayOutOfBoundException - MapReduce - [issue]
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...Searching for ';' in JobTracker History throws ArrayOutOfBoundException Problem accessing /jobhistoryhome.jsp. Reason: 0Caused by:java.lang.ArrayIndexOutOfBoundsException: ...
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http://issues.apache.org/jira/browse/MAPREDUCE-5250
Author: Karthik Kambatla,
2013-06-03, 19:02
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[MAPREDUCE-4394] ReduceTask.MapOutputCopier.copyOutput() signature doesn't match the corresponding Javadoc - MapReduce - [issue]
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http://issues.apache.org/jira/browse/MAPREDUCE-4394
Author: Karthik Kambatla,
2013-05-30, 17:20
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Re: [VOTE] Plan to create release candidate for 0.23.8 - MapReduce - [mail # dev]
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...+1 (non-binding) On Mon, May 20, 2013 at 11:13 AM, Siddharth Seth wrote: ...
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Author: Karthik Kambatla,
2013-05-20, 19:49
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[MAPREDUCE-4806] Cleanup: Some (5) private methods in JobTracker.RecoveryManager are not used anymore after MAPREDUCE-3837 - MapReduce - [issue]
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...MAPREDUCE-3837 re-organized the job recovery code, moving out the code that was using the methods in RecoveryManager.Now, the following methods in {{JobTracker.RecoveryManager}}seem to be un...
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http://issues.apache.org/jira/browse/MAPREDUCE-4806
Author: Karthik Kambatla,
2013-05-15, 06:16
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[MAPREDUCE-4385] FairScheduler.maxTasksToAssign() should check for fairscheduler.assignmultiple.maps < TaskTracker.availableSlots - MapReduce - [issue]
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...FairScheduler.maxTasksToAssign() can potentially return a value greater than the available slots. Currently, we rely on canAssignMaps()/canAssignReduces() to reject such requests.These addit...
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http://issues.apache.org/jira/browse/MAPREDUCE-4385
Author: Karthik Kambatla,
2013-05-15, 06:16
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[MAPREDUCE-4595] TestLostTracker failing - possibly due to a race in JobHistory.JobHistoryFilesManager#run() - MapReduce - [issue]
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...The source for occasional failure of TestLostTracker seems like the following:On job completion, JobHistoryFilesManager#run() spawns another thread to move history files to done folder. Test...
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http://issues.apache.org/jira/browse/MAPREDUCE-4595
Author: Karthik Kambatla,
2013-05-15, 06:16
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[MAPREDUCE-4706] FairScheduler#dump(): Computing of # running maps and reduces is commented out - MapReduce - [issue]
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...In FairScheduler#dump(), we conveniently comment the updating of number of running maps and reduces. It needs to be fixed for the dump to throw out meaningful information....
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http://issues.apache.org/jira/browse/MAPREDUCE-4706
Author: Karthik Kambatla,
2013-05-15, 06:16
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