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Re: What are steps to make a Hadoop cluster Rack aware in hadoop 2.0.3-alpha - MapReduce - [mail # user]
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...check out http://free-hadoop-tutorials.blogspot.in/2011/04/rack-awareness.html *Thanks & Regards * ∞ Shashwat Shriparv On Sat, May 11, 2013 at 9:47 PM,...
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Author: shashwat shriparv,
2013-05-11, 18:23
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Re: New to Hadoop-SSH communication - MapReduce - [mail # user]
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...Watch these for sucessful configuration https://www.youtube.com/watch?v=gIRubPl20oo https://www.youtube.com/watch?v=pgOKKl5P0to https://www.youtube.com/watch?v=8CrgPUaNfjk *Thank...
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Author: shashwat shriparv,
2013-05-01, 18:27
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Re: New to Hadoop-SSH communication - MapReduce - [mail # user]
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...Open /etc/hostname file : change master and slave in those file restart the system. and dont give IP as 127.0.0.1 and 127.0.0.2 just give ifconfig command it will show you the actual ip give...
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Author: shashwat shriparv,
2013-05-01, 18:25
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Re: M/R job to a cluster? - MapReduce - [mail # user]
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...check in namenode:50030 if it appears there its not running in localmode else it is *Thanks & Regards * ∞ Shashwat Shriparv On Sun, Apr 28, 2013 at 1:18...
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Author: shashwat shriparv,
2013-04-28, 17:04
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Re: Uploading file to HDFS - MapReduce - [mail # user]
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...On Tue, Apr 23, 2013 at 9:23 PM, Mohammad Tariq wrote: As Tariq has ask, can you provide datanode logs snapshots?? *Thanks & Regards * ∞ Shashwat ...
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Author: shashwat shriparv,
2013-04-23, 16:02
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Re: Need help for hadoop - MapReduce - [mail # user]
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...1: check for sl4j jar file, set HADOOP_CLASSPATH 2. check permission on /sda better make a directory in /sda/data or somethig like that and then try *Thanks & Regards * &n...
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Author: shashwat shriparv,
2013-04-23, 15:12
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Re: Job launch from eclipse - MapReduce - [mail # user]
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...You need to generate a jar file, pass all the parameters on run time if any is fixed and run at hadoop like hadoop -jar jarfilename.jar *Thanks & Regards * ∞ Shashw...
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Author: shashwat shriparv,
2013-04-23, 13:26
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Re: why multiple checkpoint nodes? - MapReduce - [mail # user]
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...more checkpoint nodes means more backup of the metadata :) *Thanks & Regards * ∞ Shashwat Shriparv On Thu, Apr 18, 2013 at 9:35 PM, Thanh Do wrote...
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Author: shashwat shriparv,
2013-04-18, 17:07
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Re: NameNode failure and recovery! - MapReduce - [mail # user]
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...If you are not in position to go for HA just keep your checkpoint period shorter to have recent data recoverable from SNN. and you always have a option hadoop namenode -recover try thi...
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Author: shashwat shriparv,
2013-04-03, 18:49
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Re: Best way handle hadoop Java heap size space - MapReduce - [mail # user]
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...If you just want to see to utilization and monitor it for some time try Java Visual JVM or JConsol and connect to JMX port . it will show you the heap uses and other detail...
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Author: shashwat shriparv,
2013-03-15, 09:58
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