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Re: Mapreduce outputs to a different cluster? - Hadoop - [mail # user]
...As far as I know, you can use distcp to transfer the results of the job form one cluster to another, once the job is done. You can write a simple script to do that. Simple and tested. Some p...
   Author: Shahab Yunus, 2013-10-24, 22:42
Re: can the parameters dfs.block.size and dfs.replication be different from one file to the other - Hadoop - [mail # user]
...Yes, my example was for Hadoop 2.0.0-cdh4.2.0  Try this: dfs.block.size dfs.replication  More details here: http://cloudfront.blogspot.in/2012/07/how-to-configure-hadoop.html#.UjCV...
   Author: Shahab Yunus, 2013-09-11, 16:11
Re: so the master just died... now what? - Hadoop - [mail # user]
...Keep in mind that there are 2 flavors of Hadoop: the older one without HA and the  new one with it. Anyway, have you seen the following?  http://wiki.apache.org/hadoop/NameNodeFail...
   Author: Shahab Yunus, 2013-09-03, 21:01
Re: Getting HBaseStorage() to work in Pig - Hadoop - [mail # user]
...You are here running multiple UNIX commands and the end result or the end command is to run hbase-.jar using hadoop's *jar* command. So basically you add HBase jars to the classpath of your ...
   Author: Shahab Yunus, 2013-08-23, 21:12
Re: Partitioner vs GroupComparator - Hadoop - [mail # user]
...Jan  " is that you need to put the data you want to secondary sort into your key class. " Yes but then you can also don't put the secondary sort column/data piece in the value part and ...
   Author: Shahab Yunus, 2013-08-23, 18:05
Re: hdfs write files in streaming fashion - Hadoop - [mail # user]
...For 1, yes the data is written in chunks to hdfs if you are using the FiLe System API. The whole file is not first stored in memory.  For 2, I think you should anyway shouldn't rely on ...
   Author: Shahab Yunus, 2013-08-19, 19:46
Re: Reduce Task Clarification - Hadoop - [mail # user]
...Also Sam, following are is a link giving example about how to implement secondary sort and what it is...  http://codingjunkie.net/secondary-sort/  Regards, Shahab   On Tue, Au...
   Author: Shahab Yunus, 2013-08-14, 12:55
Re: Change the output of Reduce function - Hadoop - [mail # user]
...@Tariq. No need. You understood me correctly :)  Regards, Shahab   On Thu, Jul 25, 2013 at 3:27 PM, Mohammad Tariq  wrote:  ...
   Author: Shahab Yunus, 2013-07-25, 19:32
Re: java.io.IOException: error=2, No such file or directory - Hadoop - [mail # user]
...The error is:  *Please set $HBASE_HOME to the root of your HBase installation.* * * Have you checked whether it is set or not? Have you verified your HBase or Hadoop installation?  ...
   Author: Shahab Yunus, 2013-07-16, 13:51
Re: Can not follow Single Node Setup example. - Hadoop - [mail # user]
...Basically whether this step worked or not:  $ cp conf/*.xml input  Regards, Shahab   On Wed, Jun 26, 2013 at 10:58 AM, Shahab Yunus wrote:  ...
   Author: Shahab Yunus, 2013-06-26, 15:00
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