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From Joey Echeverria <j...@cloudera.com>
Subject Re: tasktracker maximum map tasks for a certain job
Date Tue, 21 Jun 2011 17:08:40 GMT
The only way to do that is to drop the setting down to one and bounce
the TaskTrackers.


On Tue, Jun 21, 2011 at 12:52 PM, Jonathan Zukerman
<zukermanjonathan@gmail.com> wrote:
> Hi,
> 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.
> Thanks!
> Jonathan.

Joseph Echeverria
Cloudera, Inc.

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