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[MAPREDUCE-4691] Historyserver can report "Unknown job" after RM says job has completed - MapReduce - [issue]
...Example traceback from the client:2012-09-27 20:28:38,068 [main] INFO  org.apache.hadoop.mapred.ClientServiceDelegate - Application state is completed. FinalApplicationStatus=SUCCEEDED....
http://issues.apache.org/jira/browse/MAPREDUCE-4691    Author: Jason Lowe, 2014-09-04, 01:57
[MAPREDUCE-5251] Reducer should not implicate map attempt if it has insufficient space to fetch map output - MapReduce - [issue]
...A job can fail if a reducer happens to run on a node with insufficient space to hold a map attempt's output.  The reducer keeps reporting the map attempt as bad, and if the map attempt ...
http://issues.apache.org/jira/browse/MAPREDUCE-5251    Author: Jason Lowe, 2014-09-04, 00:52
[MAPREDUCE-5446] TestJobHistoryEvents and TestJobHistoryParsing have race conditions - MapReduce - [issue]
...TestJobHistoryEvents and TestJobHistoryParsing are not properly waiting for MRApp to finish.  Currently they are polling the service state looking for Service.STATE.STOPPED, but the ser...
http://issues.apache.org/jira/browse/MAPREDUCE-5446    Author: Jason Lowe, 2014-09-04, 00:48
[MAPREDUCE-5428] HistoryFileManager doesn't stop threads when service is stopped - MapReduce - [issue]
...HistoryFileManager is a service that starts threads, but it does not override the serviceStop method to stop the threads when the service is stopped....
http://issues.apache.org/jira/browse/MAPREDUCE-5428    Author: Jason Lowe, 2014-09-04, 00:48
[MAPREDUCE-5640] Rename TestLineRecordReader in jobclient module - MapReduce - [issue]
...HADOOP-9622 proposes to add new unit tests for LineRecordReader in the mapreduce-client-core module alongside the code.  The existing LineRecordReader tests in the mapreduce-client-jobc...
http://issues.apache.org/jira/browse/MAPREDUCE-5640    Author: Jason Lowe, 2014-09-04, 00:40
[MAPREDUCE-5266] Ability to refresh retention settings on history server - MapReduce - [issue]
...It would be very useful if the job and log retention settings of the history server could be refreshed without restarting the history server.  This would include such things as: how man...
http://issues.apache.org/jira/browse/MAPREDUCE-5266    Author: Jason Lowe, 2014-09-04, 00:35
[MAPREDUCE-4825] JobImpl.finished doesn't expect ERROR as a final job state - MapReduce - [issue]
...TestMRApp.testJobError is causing AsyncDispatcher to exit with System.exit due to an exception being thrown.  From the console output from testJobError:2012-11-27 18:46:15,240 ERROR [As...
http://issues.apache.org/jira/browse/MAPREDUCE-4825    Author: Jason Lowe, 2014-09-04, 00:25
[MAPREDUCE-4817] Hardcoded task ping timeout kills tasks localizing large amounts of data - MapReduce - [issue]
...When a task is launched and spends more than 5 minutes localizing files, the AM will kill the task due to ping timeout.  The AM's TaskHeartbeatHandler currently tracks tasks via a progr...
http://issues.apache.org/jira/browse/MAPREDUCE-4817    Author: Jason Lowe, 2014-09-04, 00:25
[MAPREDUCE-4813] AM timing out during job commit - MapReduce - [issue]
...The AM calls the output committer's commitJob method synchronously during JobImpl state transitions, which means the JobImpl write lock is held the entire time the job is being committed. &n...
http://issues.apache.org/jira/browse/MAPREDUCE-4813    Author: Jason Lowe, 2014-09-04, 00:25
[MAPREDUCE-4913] TestMRAppMaster#testMRAppMasterMissingStaging occasionally exits - MapReduce - [issue]
...testMRAppMasterMissingStaging will sometimes cause the JVM to exit due to this error from AsyncDispatcher:2013-01-05 02:14:54,682 FATAL [AsyncDispatcher event handler] event.AsyncDispatcher ...
http://issues.apache.org/jira/browse/MAPREDUCE-4913    Author: Jason Lowe, 2014-09-04, 00:25
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