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[MAPREDUCE-4929] mapreduce.task.timeout is ignored - MapReduce - [issue]
...In MR1, only mapred.task.timeout works.  Both should be made to work....
http://issues.apache.org/jira/browse/MAPREDUCE-4929    Author: Sandy Ryza, 2013-01-23, 11:07
[MAPREDUCE-4952] FSSchedulerNode is always instantiated with a 0 virtual core capacity - MapReduce - [issue]
...After YARN-2, FSSchedulerNode was not updated to initialize with the underlying RMNode's CPU capacity, and thus always has 0 virtual cores....
http://issues.apache.org/jira/browse/MAPREDUCE-4952    Author: Sandy Ryza, 2013-01-21, 17:41
[MAPREDUCE-4923] Add toString method to TaggedInputSplit - MapReduce - [issue]
...Per MAPREDUCE-3678, map task logs now contain information about the input split being processed.  Because TaggedInputSplit has no overridden toString method, nothing useful gets printed...
http://issues.apache.org/jira/browse/MAPREDUCE-4923    Author: Sandy Ryza, 2013-01-18, 14:04
[MAPREDUCE-4907] TrackerDistributedCacheManager issues too many getFileStatus calls - MapReduce - [issue]
...TrackerDistributedCacheManager issues a number of redundant getFileStatus calls when determining the timestamps and visibilities of files in the distributed cache.  300 distributed cach...
http://issues.apache.org/jira/browse/MAPREDUCE-4907    Author: Sandy Ryza, 2013-01-18, 12:37
[MAPREDUCE-4655] MergeManager.reserve can OutOfMemoryError if more than 10% of max memory is used on non-MapOutputs - MapReduce - [issue]
...The MergeManager does a memory check, using a limit that defaults to 90% of Runtime.getRuntime().maxMemory(). Allocations that would bring the total memory allocated by the MergeManager over...
http://issues.apache.org/jira/browse/MAPREDUCE-4655    Author: Sandy Ryza, 2013-01-03, 19:47
Writing tests for command line tools in MR2 - MapReduce - [mail # dev]
...I am trying to write a test for "mapred queue -info" (for MAPREDUCE-4896).  The test requires a running RM ask for the information.  I noticed that TestJobClient and TestMRJobClien...
   Author: Sandy Ryza, 2012-12-31, 07:49
[MAPREDUCE-4856] TestJobOutputCommitter uses same directory as TestJobCleanup - MapReduce - [issue]
...This can cause problems if one of the tests fails to delete....
http://issues.apache.org/jira/browse/MAPREDUCE-4856    Author: Sandy Ryza, 2012-12-21, 12:42
[MAPREDUCE-4880] TaskImpl interprets death of second attempt as RetroactiveKilledTransition even when first attempt succeeds - MapReduce - [issue]
...Consider a reduce task with 2 attempts, one running and one unassigned.  Reduce task attempt 1 succeeds.  This causes reduce task attempt 2 to be killed.  This causes reduce t...
http://issues.apache.org/jira/browse/MAPREDUCE-4880    Author: Sandy Ryza, 2012-12-17, 19:58
[MAPREDUCE-4795] TestDelegationTokenRenewal should not use static variables in Renewer - MapReduce - [issue]
...TestDelegationTokenRenewal uses static variables to access what's going on inside its Renewer class, making it so problems can occur if the tests are run in parallel....
http://issues.apache.org/jira/browse/MAPREDUCE-4795    Author: Sandy Ryza, 2012-12-07, 23:57
[MAPREDUCE-4723] Fix warnings found by findbugs 2 - MapReduce - [issue]
...The MAPREDUCE side of HADOOP-8594. Umbrella jira for fixing the warnings found by findbugs 2....
http://issues.apache.org/jira/browse/MAPREDUCE-4723    Author: Sandy Ryza, 2012-11-20, 13:21
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