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Re: What are the methods to share dynamic data among mappers/reducers? - MapReduce - [mail # user]
...There isn't anything natively supported for that in the framework, but you can do that yourselves by using a shared service (for e.g via HDFS files, ZooKeeper nodes) that mappers/reducers al...
   Author: Vinod Kumar Vavilapalli, 2014-01-02, 18:21
Re: Yarn -- one of the daemons getting killed - MapReduce - [mail # user]
...That's good info. It is more than likely that it is the OOM killer. See http://stackoverflow.com/questions/726690/who-killed-my-process-and-why for example.  Thanks, +Vinod  On Dec...
   Author: Vinod Kumar Vavilapalli, 2013-12-17, 19:01
Re: pipes on hadoop 2.2.0 crashes - MapReduce - [mail # user]
...You should navigate to the ResourceManager UI following the link and see what is happening on the ResourceManager as well as the application-master. Check if any nodes are active first. Then...
   Author: Vinod Kumar Vavilapalli, 2013-12-16, 18:32
Re: Pluggable distribute cache impl - MapReduce - [mail # user]
...If the files are already on a NFS mount, you don't need to spread files around distributed-cache?  BTW, running jobs on NFS mounts isn't going to scale after a while.  Thanks, +Vin...
   Author: Vinod Kumar Vavilapalli, 2013-12-16, 18:27
Re: Unsubscribe Please - MapReduce - [mail # user]
...You should send an email to [EMAIL PROTECTED].  Thanks, +Vinod  On Dec 12, 2013, at 8:36 AM, K. M. Rakibul Islam  wrote:    CONFIDENTIALITY NOTICE NOTICE: This messa...
   Author: Vinod Kumar Vavilapalli, 2013-12-12, 19:16
[MAPREDUCE-4362] If possible, we should get back the feature of propagating task logs back to JobClient - MapReduce - [issue]
...MAPREDUCE-3889 removed the code which was trying to pull from /tasklog. We should see if it is possible to get back the feature....
http://issues.apache.org/jira/browse/MAPREDUCE-4362    Author: Vinod Kumar Vavilapalli, 2013-12-11, 20:18
Re: Writing to remote HDFS using C# on Windows - MapReduce - [mail # user]
...You can try using WebHDFS.  Thanks, +Vinod   On Thu, Dec 5, 2013 at 6:04 PM, Fengyun RAO  wrote:   CONFIDENTIALITY NOTICE NOTICE: This message is intended for the use of ...
   Author: Vinod Kumar Vavilapalli, 2013-12-06, 03:25
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
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