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[MAPREDUCE-2663] MR-279: Refactoring StateMachineFactory inner classes - MapReduce - [issue]
...The code for ApplicableSingleTransition and ApplicableMultipleTransition inner classes is almost identical. For maintainability, it is better to refactor them into a single inner class....
http://issues.apache.org/jira/browse/MAPREDUCE-2663    Author: Ahmed Radwan, 2011-11-15, 00:49
[MAPREDUCE-2661] MR-279: Accessing MapTaskImpl from TaskImpl - MapReduce - [issue]
...We are directly accessing MapTaskImpl in TaskImpl.InitialScheduleTransition.transition(..). It'll be better to reorganize the code so each subclass can provide its own behavior instead of ex...
http://issues.apache.org/jira/browse/MAPREDUCE-2661    Author: Ahmed Radwan, 2011-11-15, 00:48
[MAPREDUCE-2602] Allow setting of end-of-record delimiter for TextInputFormat (for the old API) - MapReduce - [issue]
...Since there are users who are still using the old MR API, it will be useful to modify the org.apache.hadoop.mapred.LineRecordReader and org.apache.hadoop.mapred.TextInputFormat to be able to...
http://issues.apache.org/jira/browse/MAPREDUCE-2602    Author: Ahmed Radwan, 2011-11-15, 00:48
[MAPREDUCE-2350] LocalJobRunner uses "mapred.output.committer.class" configuration property to retrive the OutputCommitter (regardless of whether the old API is used or the new API) - MapReduce - [issue]
...LocalJobRunner uses the "mapred.output.committer.class" configuration property to retrieve the output committer for the job, which can be different from the Output Committer returned from Ou...
http://issues.apache.org/jira/browse/MAPREDUCE-2350    Author: Ahmed Radwan, 2011-10-31, 05:05
[MAPREDUCE-2658] Problem running full map & reduce jobs on mrv2 - MapReduce - [issue]
...Following the installation instructions at: https://svn.apache.org/repos/asf/hadoop/common/branches/MR-279/mapreduce/INSTALLthe randomwriter example runs successfully. However, other full ma...
http://issues.apache.org/jira/browse/MAPREDUCE-2658    Author: Ahmed Radwan, 2011-09-22, 21:27
[MAPREDUCE-2992] TestLinuxTaskController is broken - MapReduce - [issue]
...The TestLinuxTaskController is broken in "branch-0.20-security":Exception message does not contain exit code22junit.framework.AssertionFailedError: Exception message does not contain exit co...
http://issues.apache.org/jira/browse/MAPREDUCE-2992    Author: Ahmed Radwan, 2011-09-13, 17:31
Re: [VOTE] Merge MR-279 to trunk. - MapReduce - [mail # dev]
...Great work! +1 on the merge.  Thanks Best Regards Ahmed  On Tue, Aug 16, 2011 at 2:14 PM, Mahadev Konar wrote:  ...
   Author: Ahmed Radwan, 2011-08-16, 21:27
[MAPREDUCE-2787] MR-279: Performance improvement in running Uber MapTasks - MapReduce - [issue]
...The runUberMapTasks() in org.apache.hadoop.mapred.UberTask obtains the local fileSystem and local job configuration for every task attempt.  This will have a negative performance impact...
http://issues.apache.org/jira/browse/MAPREDUCE-2787    Author: Ahmed Radwan, 2011-08-11, 09:16
MR-279: Flaky errors on a real cluster - MapReduce - [mail # dev]
...I am testing mr2 on a small real cluster, but I am seeing some flaky behavior in running jobs. The same exact job with the same configuration can sometimes run successfully or generate one o...
   Author: Ahmed Radwan, 2011-07-13, 20:44
[expand - 1 more] - Re: MR-279 branch: Problem opening files on the namenode web console (need to pick patches from trunk to resolve) - MapReduce - [mail # dev]
...Makes sense. let's wait to move to trunk hdfs and common. Thanks Mahadev!  On Fri, Jul 8, 2011 at 7:00 PM, Mahadev Konar wrote:     Ahmed...
   Author: Ahmed Radwan, 2011-07-09, 03:03
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