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Posted to common-dev@hadoop.apache.org by Vikas Jadhav <vi...@gmail.com> on 2013/02/27 14:16:16 UTC

How to write New inputformat for hadoop and how to specify mapper partitioner combiner per dataset manner

Hello Everyone

I am working join using mapreduce
for this purpose i want write my own inputformat (Exa. MyTableInputformat)



and how to specify mapper partitioner combiner per dataset manner

I know MultiFileInputFormat  class but if i want to asscoite combiner and
partitioner class
it wont help. it sets mapper class for per datasetMaeer.

Thank You.



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Thanx and Regards*
* Vikas Jadhav*