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[MAPREDUCE-5651] Backport Fair Scheduler queue placement policies to branch-1 - MapReduce - [issue]
...YARN-1392 introduced general policies for assigning applications to queues in the YARN fair scheduler.  This functionality would be useful and minimally invasive in MR1 as well....
http://issues.apache.org/jira/browse/MAPREDUCE-5651    Author: Sandy Ryza, 2014-01-07, 23:53
Re: Issues with ResourceManager scheduling functions - MapReduce - [mail # user]
...Try requesting all your 100GB containers with priority 1 and your 50 GB containers with priority 2.  -Sandy   On Mon, Dec 9, 2013 at 12:59 AM, Bill Q  wrote:  ...
   Author: Sandy Ryza, 2013-12-09, 09:02
Re: MapReduce Job running Problems with queue designation in fair scheduler for Yarn-2.2.0. - MapReduce - [mail # user]
...Hi Tang,  One concerning thing is that the vcores for amelie's maxResources is set to 1.  Not sure how that would lead to the error you're seeing, but it would prevent applications...
   Author: Sandy Ryza, 2013-12-06, 20:18
Re: Any reference for upgrade hadoop from 1.x to 2.2 - MapReduce - [mail # user]
...Not that I'm aware of.  -Sandy   On Thu, Dec 5, 2013 at 10:11 PM, Nirmal Kumar wrote:  ...
   Author: Sandy Ryza, 2013-12-06, 07:16
Re: Perfect configuration setting - MapReduce - [mail # user]
...Hi Geelong,  Check out Todd Lipcon's presentation on tuning MapReduce performance: http://www.slideshare.net/cloudera/mr-perf  -Sandy   On Mon, Dec 2, 2013 at 11:14 PM, Geelon...
   Author: Sandy Ryza, 2013-12-03, 08:26
Re: problems of FairScheduler in hadoop2.2.0 - MapReduce - [mail # user]
...Hi,  Can you share the contents of your fair-scheduler.xml?  If you submit just a single job, does it run?  What do you see if you go to /ws/v1/cluster/scheduler?  -Sandy...
   Author: Sandy Ryza, 2013-11-27, 08:32
Re: Limit on total jobs running using fair scheduler - MapReduce - [mail # user]
...Unfortunately, this is not possible in the MR1 fair scheduler without setting the jobs for individual pools.  In MR2, fair scheduler hierarchical queues will allow setting maxRunningApp...
   Author: Sandy Ryza, 2013-11-19, 22:12
Re: Allocating Containers on a particular Node in Yarn - MapReduce - [mail # user]
...Yeah, you're right, I meant when locality relaxation is turned off.  I'm not super familiar with the capacity scheduler (more familiar with the fair scheduler), so maybe someone with kn...
   Author: Sandy Ryza, 2013-11-14, 21:33
Re: Next releases - MapReduce - [mail # dev]
...Here are few patches that I put into 2.2.1 and are minimally invasive, but I don't think are blockers:    YARN-305. Fair scheduler logs too many "Node offered to app" messages. &nb...
   Author: Sandy Ryza, 2013-11-13, 18:38
[MAPREDUCE-5612] Document TaskAttemptCompletionEventStatuses - MapReduce - [issue]
...What's the difference between FAILED and TIPFAILED?  What is OBSOLETE?...
http://issues.apache.org/jira/browse/MAPREDUCE-5612    Author: Sandy Ryza, 2013-11-12, 03:28
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