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[MAPREDUCE-4688] setJarByClass does not work under JBoss AS 7 - MapReduce - [issue]
...Hello,I’m using Hadoop as a client from a J2EE web application. One of the lib within my EAR is a jar containing several Map/Reduce jobs. Using JBoss AS 4 in the past, I had no problem runni...
http://issues.apache.org/jira/browse/MAPREDUCE-4688    Author: Philippe, 2014-04-14, 22:00
[MAPREDUCE-3182] loadgen ignores -m command line when writing random data - MapReduce - [issue]
...If no input directories are specified, loadgen goes into a special mode where random data is generated and written. In that mode, setting the number of mappers (-m command line option) is ov...
http://issues.apache.org/jira/browse/MAPREDUCE-3182    Author: Jonathan Eagles, 2014-04-14, 19:10
Re: Thinking ahead - MapReduce - [mail # dev]
...Hi,+1 for 2.4.1 release(non-binding).There are some critical issues including YARN-1861 and YARN-1929 aboutRM-HA. IMO, we should include the fixes.One question is whether we can include RM-H...
   Author: Tsuyoshi OZAWA, 2014-04-14, 16:48
Hadoop 0.23.11 Release Preparation - MapReduce - [mail # dev]
...Hey gang,Heads up. In preparation of a 0.23.11 release, which seems likely in thenext couple of weeks (correct me if I'm wrong, Tom). I'm going to begin atriage effort of the open JIRA targe...
   Author: Jonathan Eagles, 2014-04-14, 16:25
[MAPREDUCE-5828] TestMapReduceJobControl fails on JDK 7 + Windows - MapReduce - [issue]
...It fails when testControlledJob() runs first on Windows with an exception message saying "output_2" directory already exists....
http://issues.apache.org/jira/browse/MAPREDUCE-5828    Author: Vinod Kumar Vavilapalli, 2014-04-14, 15:58
[MAPREDUCE-5267] History server should be more robust when cleaning old jobs - MapReduce - [issue]
...Ran across a situation where an admin user had accidentally created a directory in one of the date directories under /mapred/history/done/ that was not readable by the historyserver user. &n...
http://issues.apache.org/jira/browse/MAPREDUCE-5267    Author: Jason Lowe, 2014-04-14, 15:20
[MAPREDUCE-5221] Reduce side Combiner is not used when using the new API - MapReduce - [issue]
...If a combiner is specified using o.a.h.mapreduce.Job.setCombinerClass - this will silently ignored on the reduce side since the reduce side usage is only aware of the old api combiner.This d...
http://issues.apache.org/jira/browse/MAPREDUCE-5221    Author: Siddharth Seth, 2014-04-13, 11:12
[MAPREDUCE-5821] IFile merge allocates new byte array for every value - MapReduce - [issue]
...I wrote a standalone benchmark of the MapOutputBuffer and found that it did a lot of allocations during the merge phase. After looking at an allocation profile, I found that IFile.Reader.nex...
http://issues.apache.org/jira/browse/MAPREDUCE-5821    Author: Todd Lipcon, 2014-04-12, 22:21
[MAPREDUCE-3418] If map output is not found, shuffle runs in tight loop - MapReduce - [issue]
...Sharad Agarwal bumped into this while simulating fetch failures. Removed the map output directory. Shuffle runs in tight loop throwing:2011-06-01 09:02:20,511 WARN org.apache.hadoop.mapreduc...
http://issues.apache.org/jira/browse/MAPREDUCE-3418    Author: John George, 2014-04-12, 19:23
[MAPREDUCE-5830] HostUtil.getTaskLogUrl is not backwards binary compatible with 2.3 - MapReduce - [issue]
...HostUtil.getTaskLogUrl used to have a signature like this in Hadoop 2.3.0 and earlier:public static String getTaskLogUrl(String taskTrackerHostName, String httpPort, String taskAttemptID)but...
http://issues.apache.org/jira/browse/MAPREDUCE-5830    Author: Jason Lowe, 2014-04-12, 18:41
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