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Re: Node manager crashing when running an app requiring 100 containers on hadoop-2.1.0-beta RC0 - MapReduce - [mail # user]
...How many containers are you running per node?  On Jul 25, 2013, at 5:21 AM, Krishna Kishore Bonagiri  wrote:   Arun C. Murthy Hortonworks Inc. http://hortonworks.com/  ...
   Author: Arun C Murthy, 2013-07-31, 23:31
Re: Requesting containers on a specific host - MapReduce - [mail # user]
...To guarantee nodes on a specific container you need to use the whitelist feature we added recently: https://issues.apache.org/jira/browse/YARN-398 Arun  On Jul 4, 2013, at 3:14 AM, Kris...
   Author: Arun C Murthy, 2013-07-04, 12:28
[MAPREDUCE-5109] Job view-acl should apply to job listing too - MapReduce - [issue]
...Job view-acl should apply to job listing too, currently it only applies to job details pages....
http://issues.apache.org/jira/browse/MAPREDUCE-5109    Author: Arun C Murthy, 2013-06-27, 23:20
[MAPREDUCE-5326] Add version to shuffle header - MapReduce - [issue]
...We need to add a version to the shuffle header to allow for forward-compatibility etc....
http://issues.apache.org/jira/browse/MAPREDUCE-5326    Author: Arun C Murthy, 2013-06-26, 15:08
Re: Heads up: branch-2.1-beta - MapReduce - [mail # dev]
...Ok, the last of the blockers is done.  I'll roll an RC tonight.  thanks, Arun  On Jun 20, 2013, at 2:40 PM, Arun C Murthy  wrote:   Arun C. Murthy Hortonworks Inc. h...
   Author: Arun C Murthy, 2013-06-26, 07:26
Re: How is the memory usage of containers controlled? - MapReduce - [mail # user]
...NodeManagers monitor containers w.r.t memory usage, and put containers in cgroups with cpu limits to restrict CPU usage.  On Jun 18, 2013, at 12:30 PM, Yuzhang Han  wrote:   A...
   Author: Arun C Murthy, 2013-06-18, 20:07
[MAPREDUCE-5108] Changes needed for Binary Compatibility for MR applications via YARN - MapReduce - [issue]
...As we get ready to ship out a beta/stable version of hadoop-2, it makes sense to spend time reviewing support for existing MR applications (hadoop-1) to migrate seamlessly.We've done various...
http://issues.apache.org/jira/browse/MAPREDUCE-5108    Author: Arun C Murthy, 2013-06-18, 17:43
Re: mapred queue -list - MapReduce - [mail # user]
...Capacity is 'guaranteed' capacity, while max-capacity can we configured to be greater than capacity.  Arun  On Jun 13, 2013, at 5:28 AM, Pedro Sá da Costa wrote:   Arun C. Mur...
   Author: Arun C Murthy, 2013-06-14, 20:16
Re: Bringing Hadoop to Fedora - MapReduce - [mail # dev]
...Tim,    This is great! I'll take a look at some of these patches, welcome!  Arun  On Jun 11, 2013, at 8:54 AM, Tim St Clair wrote:   Arun C. Murthy Hortonworks Inc. ...
   Author: Arun C Murthy, 2013-06-11, 17:54
Re: Resource manager question - Yarn - MapReduce - [mail # user]
...The reason is that you don't want a socket to the RM machine to be held up - we expect to have thousands of AMs running concurrently. Essentially a blocking call could result in a DoS attack...
   Author: Arun C Murthy, 2013-06-10, 21:07
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