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Re: Cleanup after a Job - MapReduce - [mail # user]
...Use OutputCommitter.(abortJob, commitJob):  http://hadoop.apache.org/common/docs/r1.0.2/api/org/apache/hadoop/mapred/O utputCommitter.html  Arun  On Apr 26, 2012, at 4:44 PM, ...
   Author: Arun C Murthy, 2012-04-29, 17:58
[MAPREDUCE-278] Proposal for redesign/refactoring of the JobTracker and TaskTracker - MapReduce - [issue]
...During discussions on HADOOP-815 wrt some hard-to-maintain code on the JobTracker we all agreed that the current state-of-affairs there is brittle and merits some rework.Case in point: there...
http://issues.apache.org/jira/browse/MAPREDUCE-278    Author: Arun C Murthy, 2012-04-23, 09:34
Re: after 2 weeks TaskTracker gets hung with 100% CPU consumption - MapReduce - [mail # user]
...What version of Hadoop are you running?  On Apr 21, 2012, at 12:20 AM, Vladimir Egorov wrote:  with 100% CPU consumption. Most of the times no new tasks are sent to  the node....
   Author: Arun C Murthy, 2012-04-21, 21:07
Re: find out which user that is running the mapred job - MapReduce - [mail # user]
...mapred.job.user in JobConf for unsecure mode.  In secure mode, I guess your best bet is to use JobHistory file or  JobSummary log for the job (available _after_ job completion). &n...
   Author: Arun C Murthy, 2012-04-19, 20:07
[MAPREDUCE-3461] Move hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-site to hadoop-site - MapReduce - [issue]
...Currently hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-site has both HDFS and MR docs, we should move it to top-level hadoop-site....
http://issues.apache.org/jira/browse/MAPREDUCE-3461    Author: Arun C Murthy, 2012-04-18, 20:27
Re: JVM reuse option in MRV2 - MapReduce - [mail # user]
...Not yet, coming soon via  https://issues.apache.org/jira/browse/MAPREDUCE-3902.  Arun  On Apr 9, 2012, at 5:03 PM, ramgopal wrote:  MRV1? ********************************...
   Author: Arun C Murthy, 2012-04-11, 18:41
Re: CompressionCodec in MapReduce - MapReduce - [mail # user]
...You can write your own InputFormat (IF) which extends FileInputFormat.  In your IF you get the InputSplit which has the filename during the call  to getRecordReader. That is the ho...
   Author: Arun C Murthy, 2012-04-11, 18:40
Re: [RESULT] - [VOTE] Rename hadoop branches post hadoop-1.x - MapReduce - [mail # dev]
...On Mar 28, 2012, at 2:14 PM, Aaron T. Myers wrote:  wrote: (i.e. release all my fair last change and the   Ah, I didn't know that, thanks for the tip. That alleviates my concerns. ...
   Author: Arun C Murthy, 2012-03-28, 23:00
Re: Question on adding new MR application into hadoop.examples.jar - MapReduce - [mail # user]
...On Mar 19, 2012, at 12:05 PM, Qu Chen wrote:  to do that?   As a normal enhancement to Hadoop - more details here:  http://wiki.apache.org/hadoop/HowToContribute  thanks!...
   Author: Arun C Murthy, 2012-03-19, 21:49
[MAPREDUCE-3974] TestSubmitJob in MR1 tests doesn't compile after HDFS-1623 merge - MapReduce - [issue]
...TestSubmitJob in MR1 tests doesn't compile after HDFS-1623 merge.'ant compile-tests' doesn't work (since it's ant for MR1)....
http://issues.apache.org/jira/browse/MAPREDUCE-3974    Author: Arun C Murthy, 2012-03-13, 15:36
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