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Re: incrCounter doesn't return a value - MapReduce - [mail # user]
...Hi Manish,  Can you give some more details. You are accessing counter values from driver?     On Wed, Jul 31, 2013 at 5:30 PM, Manish Verma wrote:  ...
   Author: Rishi Yadav, 2013-08-03, 23:39
Re: Errors about MRunit - MapReduce - [mail # user]
...Maven is not necessary to use hadoop or MRUnit. That being said I am a big fan of maven. Please find attached wordcount with maven.    On Sat, Apr 20, 2013 at 7:17 PM, 姚吉龙  wr...
   Author: Rishi Yadav, 2013-04-21, 02:33
Re: Problem accessing HDFS from a remote machine - MapReduce - [mail # user]
...have you checked firewall on namenode.  If you are running ubuntu and namenode port is 8020 command is -> ufw allow 8020  Thanks and Regards,  Rishi Yadav  InfoObjects...
   Author: Rishi Yadav, 2013-04-09, 04:40
Re: Correlation between replication factor and read/write performance survey? - MapReduce - [mail # user]
...I think higher replication only makes read easier as client can choose to read  block from nearest node.   Writes are done using replication pipeline so client does wait for ack fr...
   Author: Rishi Yadav, 2013-02-12, 01:36
Re: How MapReduce selects data blocks for processing user request - MapReduce - [mail # user]
...Hi Mehal,  When Client makes a read request for a certain file say foo.txt, namenode sends information of first block(BlockID) and the datanodes it resides on.  It's client which d...
   Author: Rishi Yadav, 2013-02-09, 05:00
Re: Hadoop example command. - MapReduce - [mail # user]
...Hi Sitaraman,  Can you tell what exactly this command is doing.   bin/hadoop jar -v hadoop-examples-0.20.203.0.jar grep input output 'dfs[a-z]+'  general format is -> hadoo...
   Author: Rishi Yadav, 2012-12-21, 23:45
Re: build-truck-branch/ version control / POM / check out /git / maven / ant - MapReduce - [mail # user]
...checking out sources also help if you have habit of looking under the hood like me. It gives you great insight into the framework you are using.  Thanks and Regards,  Rishi Yadav &...
   Author: Rishi Yadav, 2012-12-21, 23:16
Re: Test failures on a released version - MapReduce - [mail # user]
...Hi Mark,  if you can share some details of the failed tests, we can help you more.     On Tue, Dec 18, 2012 at 2:33 AM, Mark Yang wrote:  ...
   Author: Rishi Yadav, 2012-12-18, 23:42
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