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Re: Time taken for starting AMRMClientAsync - MapReduce - [mail # user]
...It is just creating a connection to RM and shouldn't take that long. Can you please file a ticket so that we can look at it?  JVM class loading overhead is one possibility but 1 sec is ...
   Author: Vinod Kumar Vavilapalli, 2013-11-17, 19:16
Re: Hadoop 2.2.0: Cannot run PI in under YARN - MapReduce - [mail # user]
...This is just a symptom not the root cause. Please check the YARN web UI at 8088 on ResourceManager machine and browse to the application page. It should give you more details.  Thanks, ...
   Author: Vinod Kumar Vavilapalli, 2013-11-08, 19:26
Re: only one map or reduce job per time on one node - MapReduce - [mail # user]
...Why do you want to do this?  +Vinod  On Nov 5, 2013, at 9:17 AM, John wrote:    CONFIDENTIALITY NOTICE NOTICE: This message is intended for the use of the individual or e...
   Author: Vinod Kumar Vavilapalli, 2013-11-05, 18:06
Re: Hook for Mapper kill - MapReduce - [mail # user]
...There isn't anything in the API as such. You could register your own JVM shut-down hook which does it.  OTOH, if you are running this on Linux and a setsid binary is available, Hadoop i...
   Author: Vinod Kumar Vavilapalli, 2013-10-18, 17:39
Re: [VOTE] Release Apache Hadoop 2.2.0 - MapReduce - [mail # dev]
...Ran through my usual check-list.  - Signatures and message digests all good.  - The top level full LICENSE, NOTICE and README files look fine.  - CHANGES.txt for common, hdfs,...
   Author: Vinod Kumar Vavilapalli, 2013-10-13, 17:37
[MAPREDUCE-5567] [Umbrella] Stabilize MR framework w.r.t ResourceManager restart - MapReduce - [issue]
...There are a bunch of tickets tracking MR AM's issues w.r.t RM restart. Consolidating them here so that we don't make contradictory fixes accross JIRAs....
http://issues.apache.org/jira/browse/MAPREDUCE-5567    Author: Vinod Kumar Vavilapalli, 2013-10-05, 23:32
Re: 2.1.2 (Was: Re: [VOTE] Release Apache Hadoop 2.1.1-beta) - MapReduce - [mail # dev]
...+1. We should get an RC as soon as possible so that we can get all the downstream components to sign off. The earlier the better.  Thanks, +Vinod  On Oct 1, 2013, at 4:15 PM, Arun ...
   Author: Vinod Kumar Vavilapalli, 2013-10-02, 00:15
[MAPREDUCE-5548] JobHIstoryServer should let queue admins view info of corresponding apps - MapReduce - [issue]
...YARN-899 added the basic support for queue acls. JHS 'somehow' should let queue admins view info about all apps under that queue.We should also tests to validate that app-acls work at JHS....
http://issues.apache.org/jira/browse/MAPREDUCE-5548    Author: Vinod Kumar Vavilapalli, 2013-09-29, 09:04
[expand - 7 more] - Re: [VOTE] Release Apache Hadoop 2.1.1-beta - MapReduce - [mail # dev]
...I ran through my usual check-list for validating the RC. I only checked the source tarball.  - Signatures and message digests all good. I guess because of differences in gpg2's version,...
   Author: Vinod Kumar Vavilapalli, 2013-09-24, 22:25
Re: Tasktracker Permission Issue? - MapReduce - [mail # user]
...What is your config set to for mapred local dirs? And what are the permissions to those directories?  All users need executable permissions in all the paths up to the local-dir so that ...
   Author: Vinod Kumar Vavilapalli, 2013-09-18, 17:26
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB