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Re: Automatically mapping a job submitted by a particular user to a specific hadoop map-reduce queue - MapReduce - [mail # user]
...Hi Sagar,  This capability currently does not exist in the fair scheduler (or other schedulers, as far as I know), but a JIRA has been filed recently that addresses a similar need. &nbs...
   Author: Sandy Ryza, 2013-04-25, 06:41
[MAPREDUCE-5173] Need to specify master principal run local job in a secure setup - MapReduce - [issue]
...When security is turned on, running a job involves asking the filesystems it uses for delegation tokens.  Currently, this fails if the kerberos master principal is not set, even if the ...
http://issues.apache.org/jira/browse/MAPREDUCE-5173    Author: Sandy Ryza, 2013-04-22, 23:59
[MAPREDUCE-5172] Expose number of non-local maps in MR app metrics - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-5172    Author: Sandy Ryza, 2013-04-22, 20:38
Re: YARN - container networking and ports - MapReduce - [mail # user]
...The yarn-default.xml file in the Hadoop repository contains the default ports for all of the YARN protocols.  -Sandy   On Mon, Apr 22, 2013 at 8:27 AM, Marcos Luis Ortiz Valmaseda ...
   Author: Sandy Ryza, 2013-04-22, 16:54
Re: ConfigKeys wrappers for MapReduce source code base - MapReduce - [mail # dev]
...Hi Jay,  In trunk, these keys are in MRJobConfig (extended by JobContext) and MRConfig.  I'm not sure what the state of things are in branch-1.  Agreed that it would be nice f...
   Author: Sandy Ryza, 2013-04-22, 06:05
[expand - 1 more] - Re: sort phase in hadoop mapper - MapReduce - [mail # dev]
...That makes sense, Samaneh.  I was thinking about it more coarsely.  As far as I know, currently there is no way to skip the sort phase - you would need to modify the code.  -S...
   Author: Sandy Ryza, 2013-04-19, 01:29
[MAPREDUCE-5128] mapred-default.xml is missing a bunch of history server configs - MapReduce - [issue]
...mapred-default.xml is missing many configs that work for the job history server.  mapreduce.jobhistory.cleaner.enable, mapreduce.jobhistory.done-dir, and mapreduce.jobhistory.datestring...
http://issues.apache.org/jira/browse/MAPREDUCE-5128    Author: Sandy Ryza, 2013-04-18, 15:06
Re: Article: 'How to Deploy Hadoop 2 (Yarn) on EC2' - MapReduce - [mail # user]
...This is great, Keith.   On Wed, Apr 17, 2013 at 12:58 PM, Keith Wiley  wrote:  ...
   Author: Sandy Ryza, 2013-04-18, 01:15
[MAPREDUCE-5133] TestSubmitJob.testSecureJobExecution is flaky due to job dir deletion race - MapReduce - [issue]
...At the end of TestSubmitJob.testSecureJobExecution, the test waits for the job to be done and then asserts that the job submission directory has been deleted.  The directory is deleted ...
http://issues.apache.org/jira/browse/MAPREDUCE-5133    Author: Sandy Ryza, 2013-04-18, 00:18
Re: YARN - specify hosts in ContainerRequest - MapReduce - [mail # user]
...YARN currently does not provide any guarantees that a container will be placed where you ask for it.  This is being addressed in YARN-392 and YARN-398.  For now, the Fair Scheduler...
   Author: Sandy Ryza, 2013-04-12, 19:15
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