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[MAPREDUCE-2328] memory-related configurations missing from mapred-default.xml - MapReduce - [issue]
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...HADOOP-5881 added new configuration parameters for memory-based scheduling, but they weren't added to mapred-default.xml...
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http://issues.apache.org/jira/browse/MAPREDUCE-2328
Author: Todd Lipcon,
2012-07-09, 06:16
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[MAPREDUCE-2251] Remove mapreduce.job.userhistorylocation config - MapReduce - [issue]
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...Best I can tell, this config parameter is no longer used as of MAPREDUCE-157 but still exists in the code and in mapred-default.xml. We should remove it to avoid user confusion....
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http://issues.apache.org/jira/browse/MAPREDUCE-2251
Author: Todd Lipcon,
2012-07-08, 16:18
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[MAPREDUCE-4359] Potential deadlock in Counters - MapReduce - [issue]
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...jcarder identified this deadlock in branch-1 (though it may also be present in trunk): Counters.size() is synchronized and locks Counters before Group Counters.Group.getCounterForName() is s...
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http://issues.apache.org/jira/browse/MAPREDUCE-4359
Author: Todd Lipcon,
2012-07-05, 19:46
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Re: PreCommit-Admin not running - MapReduce - [mail # dev]
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...I reported it to builds@ earlier this week, seems to be running sporadically now. We had some of our build slaves dead due to the leap second bug. I did the "date" trick to try to fix ...
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Author: Todd Lipcon,
2012-07-04, 23:00
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[MAPREDUCE-2884] tmpjars not working when default filesystem mismatches between client and server - MapReduce - [issue]
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...One of the HBase tests is failing which tries to add a local file to the distributed cache using the "tmpjars" configuration variable. The first half of the distributedcache setup decides no...
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http://issues.apache.org/jira/browse/MAPREDUCE-2884
Author: Todd Lipcon,
2012-06-13, 17:54
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[MAPREDUCE-2377] task-controller fails to parse configuration if it doesn't end in \n - MapReduce - [issue]
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...If the task-controller.cfg file doesn't end in a newline, it fails to parse properly....
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http://issues.apache.org/jira/browse/MAPREDUCE-2377
Author: Todd Lipcon,
2012-06-07, 19:45
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[MAPREDUCE-2178] Race condition in LinuxTaskController permissions handling - MapReduce - [issue]
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...The linux-task-controller executable currently traverses a directory heirarchy and calls chown/chmod on the files inside. There is a race condition here which can be exploited by an attacker...
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http://issues.apache.org/jira/browse/MAPREDUCE-2178
Author: Todd Lipcon,
2012-06-05, 13:53
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[MAPREDUCE-2224] Synchronization bugs in JvmManager - MapReduce - [issue]
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...JvmManager.JvmManagerForType has several HashMap members that are inconsistently synchronized. I've seen sporadic NPEs in the 0.20 version of this code which has similar bugs....
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http://issues.apache.org/jira/browse/MAPREDUCE-2224
Author: Todd Lipcon,
2012-06-05, 07:25
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[MAPREDUCE-2461] Hudson jobs failing because mapred staging directory is full - MapReduce - [issue]
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...All of the tests that submit MR jobs are failing on the h7 build machine. This is because the staging directory is entirely full:hudson@h7:/tmp/mr/mr$ ls -l /tmp/hadoop-hudson/mapred/staging...
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http://issues.apache.org/jira/browse/MAPREDUCE-2461
Author: Todd Lipcon,
2012-06-01, 22:44
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[MAPREDUCE-3191] docs for map output compression incorrectly reference SequenceFile - MapReduce - [issue]
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...The documentation currently says that map output compression uses SequenceFile compression. This hasn't been true in several years, since we use IFile for intermediate data now....
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http://issues.apache.org/jira/browse/MAPREDUCE-3191
Author: Todd Lipcon,
2012-05-29, 12:14
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