Vinod Kumar Vavilapalli
Arun C Murthy
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Vinay Kumar Thota
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[MAPREDUCE-5888] Failed job leaves hung AM after it unregisters
...When a job fails the AM hangs during shutdown. A non-daemon thread pool executor thread prevents the JVM teardown from completing, and the AM lingers on the cluster for the AM expiry i...
, 2014-09-03, 21:33
[MAPREDUCE-6010] HistoryServerFileSystemStateStore fails to update tokens
...When token recovery is enabled and the file system state store is being used then tokens fail to be updated due to a rename destination conflict....
, 2014-09-03, 20:49
[MAPREDUCE-6011] Improve history server behavior during a recovery error
...Currently when the history server encounters an error during recovery it is fatal without specific details on the error (e.g. which token was involved during the recovery error). We sh...
, 2014-07-28, 19:04
[MAPREDUCE-5868] TestPipeApplication causing nightly build to fail
...TestPipeApplication appears to be timing out which causes the nightly build to fail....
, 2014-07-08, 16:04
[MAPREDUCE-5481] Enable uber jobs to have multiple reducers
...TestUberAM has been timing out on trunk for some time now and surefire then fails the build. I'm not able to reproduce it locally, but the Jenkins builds have been seeing it fairly con...
, 2014-07-01, 00:10
[MAPREDUCE-5830] HostUtil.getTaskLogUrl is not backwards binary compatible with 2.3
...HostUtil.getTaskLogUrl used to have a signature like this in Hadoop 2.3.0 and earlier:public static String getTaskLogUrl(String taskTrackerHostName, String httpPort, String taskAttemptID)but...
, 2014-06-30, 09:18
[MAPREDUCE-5758] Reducer local data is not deleted until job completes
...Ran into an instance where a reducer shuffled a large amount of data and subsequently failed, but the local data is not purged when the task fails but only after the entire job completes. &n...
, 2014-05-20, 20:19
[MAPREDUCE-4816] JobImpl Invalid event: JOB_TASK_ATTEMPT_COMPLETED at FAILED
...Saw this in an AM log of a task that had failed:2012-11-21 23:26:44,533 ERROR [AsyncDispatcher event handler] org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl: Can't handle this event at ...
, 2014-04-23, 21:04
[MAPREDUCE-4852] Reducer should not signal fetch failures for disk errors on the reducer's side
...Ran across a case where a reducer ran on a node where the disks were full, leading to an exception like this during the shuffle fetch:2012-12-05 09:07:28,749 INFO [fetcher#25] org.apache.had...
, 2014-04-23, 20:03
[MAPREDUCE-5603] Ability to disable FileInputFormat listLocatedStatus optimization to save client memory
...It would be nice if users had the option to disable the listLocatedStatus optimization in FileInputFormat to save client memory....
, 2014-04-22, 18:34
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