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Posted to common-user@hadoop.apache.org by Jay Vyas <ja...@gmail.com> on 2012/09/28 03:24:34 UTC

Use of CombineFileInputFormat

Its not clear to me what the CombineInputFormat really is ?  Can somebody
elaborate ?

-- 
Jay Vyas
MMSB/UCHC

Re: Use of CombineFileInputFormat

Posted by Harsh J <ha...@cloudera.com>.

Combines multiple InputSplits per Mapper (CombineFileSplit), read in
serial. Reduces # of mappers for inputs that carry several (usually
small) files/blocks.

On Fri, Sep 28, 2012 at 6:54 AM, Jay Vyas <ja...@gmail.com> wrote:
> Its not clear to me what the CombineInputFormat really is ?  Can somebody
> elaborate ?
>
> --
> Jay Vyas
> MMSB/UCHC

-- 
Harsh J