Shuffled bytes go to reducers not mappers and the inbuilt counter for that
is "Reduce Shuffle Bytes".
I am not sure how you can implement user defined java counter here because
this phase is in between map and reduce.
Thanks and Regards,
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On Tue, Dec 25, 2012 at 4:33 AM, Eduard Skaley <[EMAIL PROTECTED]> wrote:
> Hello guys,
> I need a counter for shuffled bytes to the mappers.
> Is there existing one or should I define one myself ?
> How can I implement such a counter?
> Thank you and happy Christmas time,