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[MAPREDUCE-4955] NM container diagnostics for excess resource usage can be lost if task fails while being killed - MapReduce - [issue]
...When a nodemanager kills a container for being over resource budgets, it provides a diagnostics message for the container status explaining why it was killed.  However this message can ...
http://issues.apache.org/jira/browse/MAPREDUCE-4955    Author: Jason Lowe, 2013-08-29, 01:24
[MAPREDUCE-4794] DefaultSpeculator generates error messages on normal shutdown - MapReduce - [issue]
...DefaultSpeculator can log the following error message on a normal shutdown of the ApplicationMaster:2012-11-13 01:35:31,841 ERROR [DefaultSpeculator background processing] org.apache.hadoop....
http://issues.apache.org/jira/browse/MAPREDUCE-4794    Author: Jason Lowe, 2013-08-27, 23:22
[MAPREDUCE-4693] Historyserver should provide counters for failed tasks - MapReduce - [issue]
...Currently the historyserver is not providing counters for failed tasks, even though they are available via the AM as long as the job is still running.  Those counters are lost when the ...
http://issues.apache.org/jira/browse/MAPREDUCE-4693    Author: Jason Lowe, 2013-08-27, 23:22
[MAPREDUCE-4819] AM can rerun job after reporting final job status to the client - MapReduce - [issue]
...If the AM reports final job status to the client but then crashes before unregistering with the RM then the RM can run another AM attempt.  Currently AM re-attempts assume that the prev...
http://issues.apache.org/jira/browse/MAPREDUCE-4819    Author: Jason Lowe, 2013-08-22, 21:07
[MAPREDUCE-5079] Recovery should restore task state from job history info directly - MapReduce - [issue]
...We've encountered a lot of hanging issues during MR-AM recovery because the state machines don't always end up in the same states after recovery.  This is especially true when speculati...
http://issues.apache.org/jira/browse/MAPREDUCE-5079    Author: Jason Lowe, 2013-08-22, 04:20
[expand - 1 more] - Re: [VOTE] Release Apache Hadoop 2.0.6-alpha (RC1) - MapReduce - [mail # dev]
...+1 (binding)  - Verified signatures and checksums - Built source - Deployed single-node cluster and ran some test jobs  Jason  On 08/16/2013 12:29 AM, Konstantin Boudnik wrote...
   Author: Jason Lowe, 2013-08-21, 23:10
[expand - 1 more] - Re: [VOTE] Release Apache Hadoop 2.1.0-beta - MapReduce - [mail # dev]
...+1 (binding)  - verified signatures and checksums - built from source - ran some simple jobs on a single-node cluster  On 08/15/2013 04:15 PM, Arun C Murthy wrote:...
   Author: Jason Lowe, 2013-08-21, 22:54
[MAPREDUCE-4804] Counters for the applicationmaster - MapReduce - [issue]
...We should provide counters for the AM itself to track interesting items such as time spent garbage collecting, cpu time spent, etc.  Currently there are no counters specifically for the...
http://issues.apache.org/jira/browse/MAPREDUCE-4804    Author: Jason Lowe, 2013-08-20, 14:30
[MAPREDUCE-5445] MRApp tries to stop services from AsyncDispatcher thread - MapReduce - [issue]
...MRApp tries to stop services from within a service thread.  That causes the stop call itself to be interrupted and not all services are stopped....
http://issues.apache.org/jira/browse/MAPREDUCE-5445    Author: Jason Lowe, 2013-08-02, 17:17
[MAPREDUCE-5042] Reducer unable to fetch for a map task that was recovered - MapReduce - [issue]
...If an application attempt fails and is relaunched the AM will try to recover previously completed tasks.  If a reducer needs to fetch the output of a map task attempt that was recovered...
http://issues.apache.org/jira/browse/MAPREDUCE-5042    Author: Jason Lowe, 2013-07-31, 03:02
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