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From Jonathan Zukerman <zukermanjonat...@gmail.com>
Subject tasktracker maximum map tasks for a certain job
Date Tue, 21 Jun 2011 16:52:05 GMT

Is there a way to set the maximum map tasks for all tasktrackers in my
cluster for a certain job?
Most of my tasktrackers are configured to handle 4 maps concurrently, and
most of my jobs don't care where does the map function run. But small part
of my jobs requires that no two map functions will run from the same IP at
the same time, i.e., the maximum number of map tasks for each tasktracker
should be 1 for these jobs.



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