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Posted to common-user@hadoop.apache.org by Sandy <sn...@gmail.com> on 2008/09/25 02:09:39 UTC

counter for number of mapper records

If I understand correctly, each mapper is sent a set number of records. Is
there a counter or variable that tells you how many records is sent to a
particular mapper?
Likewise, is there a similar thing for reducers?

Thanks in advance.

-SM