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[MAPREDUCE-5778] JobSummary does not escape newlines in the job name - MapReduce - [issue]
...JobSummary is not escaping newlines in the job name.  This can result in a job summary log entry that spans multiple lines when users are expecting one-job-per-line output....
http://issues.apache.org/jira/browse/MAPREDUCE-5778    Author: Jason Lowe, 2014-04-10, 14:11
[MAPREDUCE-5757] ConcurrentModificationException in JobControl.toList - MapReduce - [issue]
...Despite having the fix for MAPREDUCE-5513 we saw another ConcurrencyModificationException in JobControl, so something there still isn't fixed....
http://issues.apache.org/jira/browse/MAPREDUCE-5757    Author: Jason Lowe, 2014-04-10, 14:11
[MAPREDUCE-4941] Use of org.apache.hadoop.mapred.lib.CombineFileRecordReader requires casting - MapReduce - [issue]
...Unlike its counterpart in org.apache.hadoop.mapreduce.lib.input, the CombineFileRecordReader in mapred requires a user to cast to a RecordReader since the constructor specification says it m...
http://issues.apache.org/jira/browse/MAPREDUCE-4941    Author: Jason Lowe, 2014-04-08, 15:33
Re: [VOTE] Release Apache Hadoop 2.4.0 - MapReduce - [mail # dev]
...Here's my late +1, was just finishing up looking at the release.- Verified signatures and digests- Examined LICENSE file- Installed binary distribution, ran some sample MapReduce jobs and ex...
   Author: Jason Lowe, 2014-04-07, 20:42
[MAPREDUCE-5044] Have AM trigger jstack on task attempts that timeout before killing them - MapReduce - [issue]
...When an AM expires a task attempt it would be nice if it triggered a jstack output via SIGQUIT before killing the task attempt.  This would be invaluable for helping users debug their h...
http://issues.apache.org/jira/browse/MAPREDUCE-5044    Author: Jason Lowe, 2014-03-31, 21:23
[MAPREDUCE-5542] Killing a job just as it finishes can generate an NPE in client - MapReduce - [issue]
...If a client tries to kill a job just as the job is finishing then the client can crash with an NPE....
http://issues.apache.org/jira/browse/MAPREDUCE-5542    Author: Jason Lowe, 2014-03-26, 23:48
[MAPREDUCE-5758] Reducer local data is not deleted until job completes - MapReduce - [issue]
...Ran into an instance where a reducer shuffled a large amount of data and subsequently failed, but the local data is not purged when the task fails but only after the entire job completes. &n...
http://issues.apache.org/jira/browse/MAPREDUCE-5758    Author: Jason Lowe, 2014-03-22, 22:53
[MAPREDUCE-5493] In-memory map outputs can be leaked after shuffle completes - 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-5493    Author: Jason Lowe, 2014-03-19, 18:42
[MAPREDUCE-5456] TestFetcher.testCopyFromHostExtraBytes is missing - MapReduce - [issue]
...I noticed that the test to verify the fix from MAPREDUCE-5308 was deleted by MAPREDUCE-5194.  It looks like an accidental deletion from an upmerge.  We should reinstate this unit t...
http://issues.apache.org/jira/browse/MAPREDUCE-5456    Author: Jason Lowe, 2014-03-14, 14:56
[MAPREDUCE-5727] History server web page can filter without showing filter keyword - MapReduce - [issue]
...I loaded up a job conf page on the history server and used one of the search boxes to narrow the results.  I then navigated to other pages (e.g.: map tasks, logs, etc.) then navigated b...
http://issues.apache.org/jira/browse/MAPREDUCE-5727    Author: Jason Lowe, 2014-03-11, 21:31
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