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Harsh J |
at Mar 19, 2011 at 1:09 pm
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Two additional counters shouldn't be expensive. But do consider if the
already available "map input records" / "(map|reduce) output records"
suit your need for such counters.
On Sat, Mar 19, 2011 at 4:33 AM, Andreas Paepcke
wrote:
I'm writing a load/store pair, and I am considering the use
of two Hadoop counters (via reporter). They would could the number
of records read/written, so that they would be available via
the job WebUI.
Is this an overly expensive proposition?
Thanks,
Andreas
--
Harsh J
http://harshj.com
