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Re: 2.0.4 beta vs 2.0.3 - MapReduce - [mail # dev]
...This may be related to MAPREDUCE-5168  . There's a memory  leak of sorts in the shuffle if many map outputs end up being merged  from disk.  Jason  On 05/04/2013 06:...
   Author: Jason Lowe, 2013-05-06, 15:09
[MAPREDUCE-5144] TestAMWebApp.testConfView has poor test coverage - MapReduce - [issue]
...testConfView is supposed to test the rendering of a job's configuration page, but the rendering code exits early with, "Sorry, can't do anything without a JobID."  Therefore it's not re...
http://issues.apache.org/jira/browse/MAPREDUCE-5144    Author: Jason Lowe, 2013-04-11, 16:32
[MAPREDUCE-5114] Subsequent AM attempt can crash trying to read prior AM attempt information - MapReduce - [issue]
...Saw the second AM attempt of a job fail early during startup because it tried to read the AMInfos from the previous attempt's history file and hit an error that wasn't an IOException.  ...
http://issues.apache.org/jira/browse/MAPREDUCE-5114    Author: Jason Lowe, 2013-03-28, 20:51
[MAPREDUCE-5090] TotalOrderPartitioner does not recognize total.order.partitioner.* settings - MapReduce - [issue]
...There is a backwards-compatibility issue where TotalOrderPartitioner no longer recognizes the Hadoop 1.x properties such as total.order.partitioner.natural.order, total.order.partitioner.max...
http://issues.apache.org/jira/browse/MAPREDUCE-5090    Author: Jason Lowe, 2013-03-21, 22:19
[MAPREDUCE-4784] TestRecovery occasionally fails - MapReduce - [issue]
...TestRecovery is occasionally failing with this error:testCrashed(org.apache.hadoop.mapreduce.v2.app.TestRecovery): TaskAttempt state is not correct (timedout) expected:<FAILED> but was...
http://issues.apache.org/jira/browse/MAPREDUCE-4784    Author: Jason Lowe, 2013-03-20, 01:39
[MAPREDUCE-5003] AM recovery should recreate records for attempts that were incomplete - MapReduce - [issue]
...As discussed in MAPREDUCE-4992, it would be nice if the AM recovered task attempt entries for all task attempts launched by the prior app attempt even if those task attempts did not complete...
http://issues.apache.org/jira/browse/MAPREDUCE-5003    Author: Jason Lowe, 2013-03-18, 19:54
[MAPREDUCE-4993] AM thinks it was killed when an error occurs setting up a task container launch context - MapReduce - [issue]
...If an IOException occurs while setting up a container launch context for a task then the AM exits with a KILLED status and no diagnostics.  The job should be marked as FAILED (or maybe ...
http://issues.apache.org/jira/browse/MAPREDUCE-4993    Author: Jason Lowe, 2013-03-07, 15:30
[MAPREDUCE-5037] JobControl logging when a job completes - MapReduce - [issue]
...JobControl emits logs, via the logging in Job.submit(), whenever a job is launched.  It would be nice if it also logged when active jobs it is tracking complete and their final status (...
http://issues.apache.org/jira/browse/MAPREDUCE-5037    Author: Jason Lowe, 2013-02-28, 17:07
[MAPREDUCE-4831] Task commit can occur more than once due to AM retries - MapReduce - [issue]
...If a task attempt begins committing but the AM crashes before the task attempt completes then we could end up having the task commit again when the AM is relaunched.  The subsequent AM ...
http://issues.apache.org/jira/browse/MAPREDUCE-4831    Author: Jason Lowe, 2013-02-27, 23:38
[MAPREDUCE-5000] TaskImpl.getCounters() can return the counters for the wrong task attempt when task is speculating - MapReduce - [issue]
...When a task is speculating and one attempt completes then sometimes the counters for the wrong attempt are aggregated into the total counters for the job.  The scenario looks like this:...
http://issues.apache.org/jira/browse/MAPREDUCE-5000    Author: Jason Lowe, 2013-02-14, 14:05
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