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Re: Child JVM memory allocation / Usage - MapReduce - [mail # user]
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...Hi Hemanth, I tried out your suggestion loading 420 MB file into memory. It threw java heap space error. I am not sure where this 1.6 GB of configured heap went to ? On Mo...
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Author: nagarjuna kanamarlapudi,
2013-03-25, 08:44
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Re: Child JVM memory allocation / Usage - MapReduce - [mail # user]
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...io.sort.mb = 256 MB On Monday, March 25, 2013, Harsh J wrote: Sent from iPhone...
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Author: nagarjuna kanamarlapudi,
2013-03-25, 05:02
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Re: Child JVM memory allocation / Usage - MapReduce - [mail # user]
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...Hi Ted, As far as i can recollect, I onl configured these parameters mapred.child.java.opts -Xmx2048m this number is the ...
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Author: nagarjuna kanamarlapudi,
2013-03-25, 01:39
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Re: In Compatible clusterIDs - MapReduce - [mail # user]
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...Hi Jean Marc, Yes, this is the cluster I am trying to create and then will scale up. As per your suggestion I deleted the folder /Users/nagarjunak/Documents/ hadoop-install...
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Author: nagarjuna kanamarlapudi,
2013-02-20, 15:52
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In Compatible clusterIDs - MapReduce - [mail # user]
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...Hi, I am trying to setup single node cluster of hadop 2.0.* When trying to start datanode I got the following error. Could anyone help me out Block pool BP-1894309265-124.1...
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Author: nagarjuna kanamarlapudi,
2013-02-20, 15:36
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HAdoop 2.0.* Single node setup - MapReduce - [mail # user]
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...Hi, It is a bit fuzzy from the documentation of single node cluster setup of hadoop 2.0.* Can some one help me out in doing the same. I downlaoded hadoop-2.0.3-alpha.tar.gz...
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Author: nagarjuna kanamarlapudi,
2013-02-20, 09:35
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Re: What is the preferred way to pass a small number of configuration parameters to a mapper or reducer - MapReduce - [mail # user]
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...Only if u have few mappers and reducers On Monday, December 31, 2012, Jonathan Bishop wrote: Sent from iPhone...
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Author: nagarjuna kanamarlapudi,
2012-12-30, 19:02
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Re: What is the preferred way to pass a small number of configuration parameters to a mapper or reducer - MapReduce - [mail # user]
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...A is the best way if it is considerably small ... had it been something like all the parameters together make up a GB of data ... Then distributed cache could have been a better option. Cust...
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Author: nagarjuna kanamarlapudi,
2012-12-30, 08:31
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Secondary JobTracker - MapReduce - [mail # user]
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...After working on hadoop-0.20 for some time. I was just wondering why we don't have seondary jobtracker just like secondary name node. Can we come up with some reasonalbe answers to thi...
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Author: nagarjuna kanamarlapudi,
2012-11-20, 06:33
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Re: Hive-Site XML changing any proprty. - MapReduce - [mail # user]
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...by restarting the hive server your problem should be solved. Not sure if we have any other ways of starting the hive server other than . 1. bin/hive --service hiveserver 2....
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Author: nagarjuna kanamarlapudi,
2012-10-09, 15:03
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