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Re: MapReduce task-worker assignment - HDFS - [mail # user]
...Short version: MR provides all the info it can to (about all it's tasks locations) and the YARN scheduler deals with providing good locality with even assignment.  I don't have a handy ...
   Author: Arun C Murthy, 2013-10-08, 00:06
Re: Queues in Fair Scheduler - HDFS - [mail # user]
...Please don't cross-post.  On Sep 22, 2013, at 11:19 PM, Anurag Tangri  wrote:   Arun C. Murthy Hortonworks Inc. http://hortonworks.com/    CONFIDENTIALITY NOTICE NOT...
   Author: Arun C Murthy, 2013-09-23, 23:51
Re: Task status query - HDFS - [mail # user]
...Yep, typically, the AM should pass it's host:port to the task as part of either the cmd-line for the task or in it's env. That is what is done by MR AM.  hth, Arun  On Sep 21, 2013...
   Author: Arun C Murthy, 2013-09-23, 23:41
Re: Hadoop Yarn - samples - HDFS - [mail # user]
...Take a look at the dist-shell example in http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/ ...
   Author: Arun C Murthy, 2013-08-29, 14:08
Re: Capacity Scheduler on YARN - HDFS - [mail # user]
...Hans-Peter,   The CS, by default, will cap a single user at the queue's capacity (not max-capacity) - this is why you are seeing that any given user cannot go beyond the queue's capacit...
   Author: Arun C Murthy, 2013-07-30, 11:52
Re: Yarn job stuck with no application master being assigned - HDFS - [mail # user]
...Siddhi,  On Jun 21, 2013, at 6:07 PM, Siddhi Mehta  wrote:   This means that more AMs will be active concurrently.  One thing to remember: in terms of getting *real* work...
   Author: Arun C Murthy, 2013-06-22, 22:46
Re: How is the memory usage of containers controlled? - HDFS - [mail # user]
...Start with LinuxResourceCalculatorPlugin.  Arun  On Jun 21, 2013, at 1:30 PM, Yuzhang Han  wrote:   Arun C. Murthy Hortonworks Inc. http://hortonworks.com/...
   Author: Arun C Murthy, 2013-06-21, 20:50
[expand - 1 more] - Re: Heads up: branch-2.1-beta - HDFS - [mail # dev]
...I think I've shared this before, but here you go again…  http://s.apache.org/hadoop-2.1.0-beta-blockers  At this point, HADOOP-9421 seems like the most important.  thanks, Aru...
   Author: Arun C Murthy, 2013-06-20, 21:40
[expand - 2 more] - Re: How Yarn execute MRv1 job? - HDFS - [mail # user]
...I'd use hive-0.11.  On Jun 19, 2013, at 11:56 PM, sam liu  wrote:   Arun C. Murthy Hortonworks Inc. http://hortonworks.com/  ...
   Author: Arun C Murthy, 2013-06-20, 06:59
Re: container allocation - HDFS - [mail # user]
...By default, the ResourceManager will try give you a container on that node, rack or anywhere (in that order).  We recently added ability to whitelist or blacklist nodes to allow for mor...
   Author: Arun C Murthy, 2013-06-13, 06:26
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