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[MAPREDUCE-5543] In-memory map outputs can be leaked after shuffle completes in 0.23 - MapReduce - [issue]
...MergeManagerImpl#close adds the contents of inMemoryMergedMapOutputs and inMemoryMapOutputs to a list of map outputs that is subsequently processed, but it does not clear those sets.  T...
http://issues.apache.org/jira/browse/MAPREDUCE-5543    Author: Jason Lowe, 2013-12-10, 14:55
Re: Next releases - MapReduce - [mail # dev]
...I think a lot of confusion comes from the fact that the 2.x line is  starting to mature.  Before this there wasn't such a big contention of  what went into patch vs. minor rel...
   Author: Jason Lowe, 2013-11-13, 21:55
[expand - 1 more] - Re: test-patch failing with OOM errors in javah - MapReduce - [mail # dev]
...Pinged Bobby who has access to the machines, and this is indeed what is  happening.  There were two cases:  1) When TestUberAM times out the minicluster it is running along wi...
   Author: Jason Lowe, 2013-10-31, 22:20
[MAPREDUCE-5583] Ability to limit running map and reduce tasks - MapReduce - [issue]
...It would be nice if users could specify a limit to the number of map or reduce tasks that are running simultaneously.  Occasionally users are performing operations in tasks that can lea...
http://issues.apache.org/jira/browse/MAPREDUCE-5583    Author: Jason Lowe, 2013-10-18, 19:30
Re: [VOTE] Release Apache Hadoop 2.2.0 - MapReduce - [mail # dev]
...+1 (binding)  - Verified signatures and checksums - Deployed binary tarball to a single-node cluster and successfully ran  sample jobs - Built source, deployed to a single-node clu...
   Author: Jason Lowe, 2013-10-09, 14:45
[MAPREDUCE-5574] History server returns 500 error on job conf page if user lacks permissions - MapReduce - [issue]
...If a user does not have view ACL permissions for a job and tries to view the job configuration URL (i.e.: .../jobhistory/conf/<jobid>) then the history server returns a 500 error rathe...
http://issues.apache.org/jira/browse/MAPREDUCE-5574    Author: Jason Lowe, 2013-10-08, 22:13
[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
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