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[MAPREDUCE-5424] TestNonExistentJob failing after YARN-873 - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-5424    Author: Vinod Kumar Vavilapalli, 2013-07-26, 20:10
Re: Only log.index - MapReduce - [mail # user]
...Ah, I should've guessed that. You seem to have JVM reuse enabled. Even if JVMs are reused, all the tasks write to the same files as they share the JVM. They only have different index files. ...
[+ more]    Author: Vinod Kumar Vavilapalli, 2013-07-24, 06:40
Re: How are 'PHYSICAL_MEMORY_BYTES' and 'VIRTUAL_MEMORY_BYTES' calculated? - MapReduce - [mail # user]
...The snapshotting stops much before the actual JVM exits - when a map/reduce task is deemed done, the metric collection stops. The JVM exits a little later.  Thanks, +Vinod  On Jul ...
[+ more]    Author: Vinod Kumar Vavilapalli, 2013-07-13, 00:11
[MAPREDUCE-5334] TestContainerLauncherImpl is failing - MapReduce - [issue]
...Broken by YARN-694, but Jenkins didn't report it....
http://issues.apache.org/jira/browse/MAPREDUCE-5334    Author: Vinod Kumar Vavilapalli, 2013-06-20, 15:07
[MAPREDUCE-5199] AppTokens file can/should be removed - MapReduce - [issue]
...All the required tokens are propagated to AMs and containers via startContainer(), no need for explicitly creating the app-token file that we have today.....
http://issues.apache.org/jira/browse/MAPREDUCE-5199    Author: Vinod Kumar Vavilapalli, 2013-06-14, 15:15
[MAPREDUCE-5289] Update MR App to use Token directly after YARN-717 - MapReduce - [issue]
...Ticket for tracking MR changes after YARN-717....
http://issues.apache.org/jira/browse/MAPREDUCE-5289    Author: Vinod Kumar Vavilapalli, 2013-06-02, 15:07
[MAPREDUCE-5282] Update MR App to use immutable ApplicationID after YARN-716 - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-5282    Author: Vinod Kumar Vavilapalli, 2013-05-31, 15:07
Re: Is FileSystem thread-safe? - MapReduce - [mail # user]
...I see. The lots-of-part-files pattern is what most of us end up using.  Thanks, +Vinod Kumar Vavilapalli  On May 17, 2013, at 10:16 AM, John Lilley wrote:  ...
[+ more]    Author: Vinod Kumar Vavilapalli, 2013-05-17, 17:34
Re: Memory Leak while using LocalJobRunner - MapReduce - [mail # user]
...It's inconvenient, but you can try DefaultMetricsSystem.shutDown(). Please see if that works and file a ticket to make LocalJobRunner automatically do this on finish.  Thanks, +Vinod Ku...
   Author: Vinod Kumar Vavilapalli, 2013-05-17, 17:33
Re: Distribution of native executables and data for YARN-based execution - MapReduce - [mail # user]
...I have a little bit of conflict of interest given I worked on Hadoop YARN all time but..  I have worked on torque/condor based resource management systems too. There are many advantages...
[+ more]    Author: Vinod Kumar Vavilapalli, 2013-05-17, 17:08
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