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[MAPREDUCE-5584] ShuffleHandler becomes unresponsive during gridmix runs and can leak file descriptors - MapReduce - [issue]
...While running gridmix on 2.3 we noticed that jobs are running much slower than normal.  We tracked this down to reducers having difficulties shuffling data from maps.  Details to f...
http://issues.apache.org/jira/browse/MAPREDUCE-5584    Author: Jason Lowe, 2014-01-24, 15:55
[MAPREDUCE-5717] Task pings are interpreted as task progress - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-5717    Author: Jason Lowe, 2014-01-18, 13:27
[MAPREDUCE-5503] TestMRJobClient.testJobClient is failing - MapReduce - [issue]
...TestMRJobClient.testJobClient is failing on trunk and causing precommit builds to complain:testJobClient(org.apache.hadoop.mapreduce.TestMRJobClient)  Time elapsed: 26.361 sec  <...
http://issues.apache.org/jira/browse/MAPREDUCE-5503    Author: Jason Lowe, 2013-12-11, 03:49
[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: [VOTE] Release Apache Hadoop 0.23.10 - MapReduce - [mail # dev]
...+1 (binding)  - verified signatures and digests - deployed binary tarball to a single-node cluster and ran some jobs - built from source - deployed source build to a single-node cluster...
   Author: Jason Lowe, 2013-12-04, 21:05
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
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
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