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Re: map container is assigned default memory size rather than user configured which will cause TaskAttempt failure - MapReduce - [mail # user]
...Manu!  This should not be the case. All tasks should have the configuration values you specified propagated to them. Are you sure your setup is correct? Are they always the same nodes w...
   Author: Ravi Prakash, 2013-10-23, 17:40
Re: ResourceManager webapp code runs OOM - MapReduce - [mail # user]
...Hi Prashant!  You're welcome. I believe for MR JHS it ought to be mapreduce.jobhistory.joblist.cache.size  HTH Ravi     On Tuesday, October 22, 2013 7:29 PM, Prashant Kom...
   Author: Ravi Prakash, 2013-10-23, 17:32
Re: issure about different heapsize on namenode and datanode - MapReduce - [mail # user]
...Hi!  You can go to the JMX page: http://:50070/jmx to find out what the Heap Memory and usage is. Yes we know that there is a problem in the scripts. I believe its being handled as part...
   Author: Ravi Prakash, 2013-10-18, 15:10
Re: Yarn never use TeraSort#TotalOrderPartitioner when run TeraSort job? - MapReduce - [mail # user]
...Sam, I would guess that the jar file you think is running, is not actually the one. I am guessing that in the task classpath, there is a normal jar file (without your changes) which is being...
   Author: Ravi Prakash, 2013-10-18, 15:05
Re: modify HDFS - MapReduce - [mail # user]
...Karim!  Hadoop 3.0 corresponds to trunk currently. I would recommend you to use branch-2. Its fairly stable. hadoop-1.x is rather old and is in maintenance mode now. You can get all the...
   Author: Ravi Prakash, 2013-10-02, 19:31
Re: Uploading a file to HDFS - MapReduce - [mail # user]
...Karim!   Look at DFSOutputStream.java:DataStreamer  HTH Ravi     ________________________________  From: Karim Awara  To: user   Sent: Thursday, September ...
   Author: Ravi Prakash, 2013-10-01, 21:24
Re: Doubt regarding hadoop simulator - MapReduce - [mail # dev]
...Suresh!  Rumen is used to generate a trace file from the job history files on a pre-existing cluster. This trace file can then be fed into gridmix (for example) to "simulate" the same w...
   Author: Ravi Prakash, 2013-09-17, 15:09
Re: assign tasks to specific nodes - MapReduce - [mail # user]
...http://lucene.472066.n3.nabble.com/Assigning-reduce-tasks-to-specific-nodes-td4022832.html    ________________________________  From: Mark Olimpiati  To: [EMAIL PROTECTED...
   Author: Ravi Prakash, 2013-09-09, 18:17
Re: Yahoo provided hadoop tutorial having issue with eclipse configuration - MapReduce - [mail # user]
...Kiran,  hadoop-0.18 is a VERY old version (Probably 5 years old). Please consider trying out a newer version.   You can follow these steps inside a VM to get a single node cluster ...
   Author: Ravi Prakash, 2013-09-09, 18:15
[MAPREDUCE-5390] JOB_FAIL and JOB_KILL have different behaviors when they should ideally be same / similar. - MapReduce - [issue]
...After MAPREDUCE-5317, both JOB_KILL and JOB_FAIL wait for all the tasks to die / be killed, and then move to their final states. We can make these two code paths the same. Ideally KILL_WAIT ...
http://issues.apache.org/jira/browse/MAPREDUCE-5390    Author: Ravi Prakash, 2013-07-19, 02:08
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