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Sorting Values sent to reducer NOT based on KEY (Depending on part of VALUE) - MapReduce - [mail # user]
...Hi  how to sort value in hadoop using standard sorting algorithm of hadoop ( i.e sorting facility provided by hadoop)  Requirement:  1) Values shoulde be sorted depending on s...
   Author: Vikas Jadhav, 2013-04-23, 05:44
[expand - 1 more] - Re: Writing intermediate key,value pairs to file and read it again - MapReduce - [mail # user]
...ya i looked @ chain reducer but it will not help in my case  Now i am able to write each key value pair received @ reducer(using IFile.Writer ) but when i try to read it using IFile.Rea...
   Author: Vikas Jadhav, 2013-04-23, 05:36
[expand - 1 more] - Re: How can I record some position of context in Reduce()? - MapReduce - [mail # user]
...I wil express it in SQL form  select * from table1, table2 where table1.attr , =,!    On Wed, Apr 10, 2013 at 9:35 PM, Michel Segel wrote:    * * *    Rega...
   Author: Vikas Jadhav, 2013-04-11, 04:18
[MAPREDUCE-5063] Transfering mapper output  (key,value) pair to multiple reducer - MapReduce - [issue]
...Currently  in  Hadoop MapReduce mapper output in (key,value) form can be transfered to only one reducer Our goal is to be able transfer/shuffle (key,value) pair to multiple reducer...
http://issues.apache.org/jira/browse/MAPREDUCE-5063    Author: Vikas Jadhav, 2013-03-25, 15:35
shuffling one intermediate pair to more than one reducer - MapReduce - [mail # dev]
...Hello  I have use case where i want to shuffle same pair to more than one reducer. is there anyone tried this or can give suggestion how to implement it.   I have crated jira for s...
   Author: Vikas Jadhav, 2013-03-25, 05:03
[expand - 2 more] - Re: How to shuffle (Key,Value) pair from mapper to multiple reducer - MapReduce - [mail # user]
...Hello I am not talking about custom partioner(custom partitioner is involved but i want to write same pair for more number times) i want it go to two reducer. for example i have partioning a...
   Author: Vikas Jadhav, 2013-03-13, 09:29
[MAPREDUCE-5057] Datajoin Package for reduce side join (in contrib folder) MRJobCOnfig class not present hadoop 1.0.3 - MapReduce - [issue]
...DataJoin Package contributed to Hadoop has bug 1) MRJobConfig config is not present and will not return input file     name (MRJobConfig.MAP_INPUT_FILE) 2 ) While Writing User...
http://issues.apache.org/jira/browse/MAPREDUCE-5057    Author: Vikas Jadhav, 2013-03-12, 06:30
Re: mapper combiner and partitioner for particular dataset - MapReduce - [mail # user]
...Thank You for reply  Can u please elaborate because i am not getting wht does following means in programming enviornment  you will need a custom written "high level" partitioner an...
   Author: Vikas Jadhav, 2013-03-04, 15:02
number input files to mapreduce job - MapReduce - [mail # user]
...Hi all, How to get number of Input files and thier to particular mapreduce job in java MapReduce  program.  * * *  Thanx and Regards* * Vikas Jadhav*...
   Author: Vikas Jadhav, 2013-02-12, 07:05
Re: Issue with running hadoop program using eclipse - MapReduce - [mail # user]
...Hi I know it class not found error but I have Map and reduce Class as part of Driver class So what is problem ?  I want to ask whether it is compulsory to have jar of any Hadoop Program...
   Author: Vikas Jadhav, 2013-01-31, 13:10
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