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Re: Cyclic dependency in JobControl job DAG - MapReduce - [mail # dev]
...I personally think it is useful.  I would say contribute it.  (Moved common-dev to bcc, we try not to cross post on these lists)   On 6/25/12 3:37 AM, "madhu phatak"  wro...
   Author: Robert Evans, 2012-06-25, 13:53
Re: try to fix hadoop streaming bug - MapReduce - [mail # dev]
...It looks like your jar's MANIFEST file is missing the Main Class attribute.   It may have something to do with how you created the updated jar you are  using.  Hadoop is tryin...
   Author: Robert Evans, 2012-06-14, 13:33
Re: Idle nodes with terasort and MRv2/YARN (0.23.1) - MapReduce - [mail # user]
...Trevor,  The best way to know what the configs were for your job is to look it up on  the web UI.  Once you have selected the job you want there should be a Con figuration lin...
   Author: Robert Evans, 2012-05-31, 14:22
Re: Hadoop optimization for Lustre FS - MapReduce - [mail # dev]
...Zam,  http://wiki.apache.org/hadoop/HowToContribute is a wiki that can tell you i n more detail the steps you need to do for this. In general though to push  the patch upstream you...
   Author: Robert Evans, 2012-05-16, 09:54
Re: Terasort - MapReduce - [mail # user]
...Jeff,  Inside the MR AM there are a number of priorities given to the various task s request when handing them to the RM for scheduling.  Map tasks have a hig her priority than red...
   Author: Robert Evans, 2012-05-11, 15:10
[expand - 3 more] - Re: max 1 mapper per node - MapReduce - [mail # user]
...Yes adding in more resources in the scheduling request would be the ideal s olution to the problem.  But sadly that is not a trivial change.  The initi al solution I suggested is a...
   Author: Robert Evans, 2012-05-10, 13:29
Re: Building first time - MapReduce - [mail # dev]
...http://wiki.apache.org/hadoop/HowToContribute is the best place to start.   Checking the code in through git will not trigger a jenkins build, unless y ou have a special setup that goes...
   Author: Robert Evans, 2012-05-09, 13:51
[expand - 1 more] - Re: Cleanup after a Job - MapReduce - [mail # user]
...That really depends on the API that you are using.  In the newer API o.a.h. mapreduce.OutputFormat.getOutputCommitter returns the output committer to u se.  In the older API, which...
   Author: Robert Evans, 2012-05-01, 15:06
Re: Open the input file - MapReduce - [mail # user]
...Hassen,  You can supply your own custom input format to hadoop.  If you look at the  code for SleepJob it has a custom input format that does not require any in put files at a...
   Author: Robert Evans, 2012-04-19, 21:10
Hadoop 3 precommit build issues - MapReduce - [mail # dev]
...I did a very non-scientific study and it looks like hadoop 3 is having issu es with running the precommit build.  It looks like some processes never di ed and are preventing the mini cl...
   Author: Robert Evans, 2012-04-13, 20:20
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