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[MAPREDUCE-5332] Support token-preserving restart of history server - MapReduce - [issue]
...To better support rolling upgrades through a cluster, the history server needs the ability to restart without losing track of delegation tokens....
http://issues.apache.org/jira/browse/MAPREDUCE-5332    Author: Jason Lowe, 2013-09-28, 14:46
[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, 2013-09-25, 00:33
[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, 2013-09-25, 00:33
[MAPREDUCE-5475] MRClientService does not verify ACLs properly - MapReduce - [issue]
...When MRClientService receives requests, it calls verifyAndGetJob which does not actually validate that the current user has the proper access....
http://issues.apache.org/jira/browse/MAPREDUCE-5475    Author: Jason Lowe, 2013-09-05, 14:42
[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
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...
[+ more]    Author: Jason Lowe, 2013-08-21, 23:10
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