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Re: Understanding MapReduce source code : Flush operations - MapReduce - [mail # user]
...I am using TextOutputFormat  Ok, the idea over here is , This output format writes to to a record writer.. which in turn has to pass it on *some other object *where the data is stored i...
   Author: nagarjuna kanamarlapudi, 2014-01-07, 06:15
Re: unable to compile hadoop source code - MapReduce - [mail # user]
...Thanks all, the following is required  Download from http://code.google.com/p/protobuf/downloads/list   $ ./configure $ make $ make check $ make install   Then compile the sou...
   Author: nagarjuna kanamarlapudi, 2014-01-07, 05:21
Fwd: Understanding MapReduce source code : Flush operations - MapReduce - [mail # user]
...From: nagarjuna kanamarlapudi  Date: Mon, Jan 6, 2014 at 8:09 AM Subject: Understanding MapReduce source code : Flush operations To: [EMAIL PROTECTED]   Hi,  I am using hadoop...
   Author: nagarjuna kanamarlapudi, 2014-01-06, 13:09
java.lang.IllegalStateException: Invalid shuffle port number -1 - MapReduce - [mail # user]
...Hi,  I am trying to run mapreduce with yarn (mrv2). Kicked off with word count example but failed with the below exception. Can some one help me out.  Container launch failed for c...
   Author: nagarjuna kanamarlapudi, 2013-11-15, 23:51
Re: Child JVM memory allocation / Usage - MapReduce - [mail # user]
...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...
   Author: nagarjuna kanamarlapudi, 2013-03-25, 08:44
Re: In Compatible clusterIDs - MapReduce - [mail # user]
...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...
   Author: nagarjuna kanamarlapudi, 2013-02-20, 15:52
HAdoop 2.0.* Single node setup - MapReduce - [mail # user]
...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...
   Author: nagarjuna kanamarlapudi, 2013-02-20, 09:35
Re: What is the preferred way to pass a small number of configuration parameters to a mapper or reducer - MapReduce - [mail # user]
...Only if u have few mappers and reducers  On Monday, December 31, 2012, Jonathan Bishop wrote:   Sent from iPhone...
   Author: nagarjuna kanamarlapudi, 2012-12-30, 19:02
Secondary JobTracker - MapReduce - [mail # user]
...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...
   Author: nagarjuna kanamarlapudi, 2012-11-20, 06:33
Re: Hive-Site XML changing any proprty. - MapReduce - [mail # user]
...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....
   Author: nagarjuna kanamarlapudi, 2012-10-09, 15:03
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