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[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, 2012-11-30, 15:16
[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, 2012-11-29, 13:08
[MAPREDUCE-4801] ShuffleHandler can generate large logs due to prematurely closed channels - MapReduce - [issue]
...We ran into an instance where many nodes on a cluster ran out of disk space because the nodemanager logs were huge.  Examining the logs showed many, many shuffle errors due to either Cl...
http://issues.apache.org/jira/browse/MAPREDUCE-4801    Author: Jason Lowe, 2012-11-16, 13:21
[MAPREDUCE-4785] TestMRApp occasionally fails - MapReduce - [issue]
...TestMRApp is failing occasionally with this error:testUpdatedNodes(org.apache.hadoop.mapreduce.v2.app.TestMRApp): Expecting 2 more completion events for killed expected:<4> but was:<...
http://issues.apache.org/jira/browse/MAPREDUCE-4785    Author: Jason Lowe, 2012-11-10, 23:58
[MAPREDUCE-4767] AM should flush AMInfos to history file - MapReduce - [issue]
...When the ApplicationMaster starts up and generates (and potentially recovers) AMInfo records for the history file, those events should be flushed to disk in case the AM crashes badly.  ...
http://issues.apache.org/jira/browse/MAPREDUCE-4767    Author: Jason Lowe, 2012-11-01, 22:48
[MAPREDUCE-4521] mapreduce.user.classpath.first incompatibility with 0.20/1.x - MapReduce - [issue]
...In Hadoop 0.20 or 1.x, jobs can specify the user's classpath should appear first by setting the property mapreduce.user.classpath.first to true in the job configuration.  However in Had...
http://issues.apache.org/jira/browse/MAPREDUCE-4521    Author: Jason Lowe, 2012-10-17, 14:21
[MAPREDUCE-4020] Web services returns incorrect JSON for deep queue tree - MapReduce - [issue]
...When the capacity scheduler is configured for more than two levels of queues, the web services API returns incorrect JSON for the subQueues field of some parent queues.  The "subQueues"...
http://issues.apache.org/jira/browse/MAPREDUCE-4020    Author: Jason Lowe, 2012-10-11, 18:48
[MAPREDUCE-4646] client does not receive job diagnostics for failed jobs - MapReduce - [issue]
...When a job fails the client is not showing any diagnostics.  For example, running a fail job results in this not-so-helpful message from the client:2012-09-07 21:12:00,649 INFO  [m...
http://issues.apache.org/jira/browse/MAPREDUCE-4646    Author: Jason Lowe, 2012-10-11, 18:48
[MAPREDUCE-4228] mapreduce.job.reduce.slowstart.completedmaps is not working properly to delay the scheduling of the reduce tasks - MapReduce - [issue]
...If no more map tasks need to be scheduled but not all have completed, the ApplicationMaster will start scheduling reducers even if the number of completed maps has not met the mapreduce.job....
http://issues.apache.org/jira/browse/MAPREDUCE-4228    Author: Jason Lowe, 2012-10-11, 18:48
[MAPREDUCE-4705] Historyserver links expire before the history data does - MapReduce - [issue]
...The historyserver can serve up links to jobs that become useless well before the job history files are purged.  For example on a large, heavily used cluster we can end up rotating throu...
http://issues.apache.org/jira/browse/MAPREDUCE-4705    Author: Jason Lowe, 2012-10-09, 15:00
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