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Re: Mapper input as argument - MapReduce - [mail # user]
...If you dont need line by line but you want to get a number of lines together, use NLineInputFormat. If you dont want to split at all, override isSplitable in FileInputFormat. Or you can use ...
   Author: Sonal Goyal, 2013-11-07, 06:23
Re: Writing to multiple directories in hadoop - MapReduce - [mail # user]
...Hi Jamal,  If I remember correctly, you can use the write(key, value, basePath) method  of MultipleOutput in your reducer to get different directories.  http://hadoop.apache.o...
   Author: Sonal Goyal, 2013-10-12, 14:53
Re: Retrieve and compute input splits - MapReduce - [mail # user]
...The input splits are not copied, only the information on the location of the splits is copied to the jobtracker so that it can assign tasktrackers which are local to the split.  Check t...
   Author: Sonal Goyal, 2013-09-27, 08:41
Re: Input Split vs Task vs attempt vs computation - MapReduce - [mail # user]
...Inline  Best Regards, Sonal Nube Technologies        On Fri, Sep 27, 2013 at 10:42 AM, Sai Sai  wrote:   An InputSplit is a chunk of input that is handled ...
   Author: Sonal Goyal, 2013-09-27, 08:31
Re: hadoop download path missing - MapReduce - [mail # user]
...I just tried and could go to http://apache.techartifact.com/mirror/hadoop/common/hadoop-2.0.1-alpha/  Is this still happening for you?  Best Regards, Sonal Crux: Reporting for HBas...
   Author: Sonal Goyal, 2012-08-24, 15:34
Re: Install Hive and Pig - MapReduce - [mail # user]
...Hi Rajesh,  You can check the getting started guides for both Pig and Hive  Pig: http://pig.apache.org/docs/r0.10.0/start.html  Hive: https://cwiki.apache.org/confluence/displ...
   Author: Sonal Goyal, 2012-08-23, 16:02
Re: Sending data to all reducers - MapReduce - [mail # user]
...Hamid,  I would recommend taking a relook at your current algorithm and making sure you are utilizing the MR framework to its strengths. You can evaluate having multiple passes for your...
   Author: Sonal Goyal, 2012-08-23, 13:37
[expand - 1 more] - Re: Info required regarding JobTracker Job Details/Metrics - MapReduce - [mail # user]
...Dont the completed job metrics in the job tracker/or bin/hadoop job -history provide you the information you seek?  Best Regards, Sonal Crux: Reporting for HBase  Nube Technologies...
   Author: Sonal Goyal, 2012-08-23, 13:20
Re: hadoop ecosystem - MapReduce - [mail # user]
...Crux reporting for hbase can also be included.  Sonal   Sent from my iPad  On 28-Jan-2012, at 11:40 PM, Chris K Wensel  wrote:  ich is of course on top of Hadoop, bu...
   Author: Sonal Goyal, 2012-01-28, 18:42
Re: No Mapper but Reducer - MapReduce - [mail # user]
...I dont think that is possible, can you explain in what scenario you want to have no mappers, only reducers?  Best Regards, Sonal Crux: Reporting for HBase  Nube Technologies  ...
   Author: Sonal Goyal, 2011-09-07, 07:52
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