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From Radim Kolar <...@filez.com>
Subject Re: max 1 mapper per node
Date Thu, 03 May 2012 12:59:06 GMT
if plugin system for AM is overkill, something simpler can be made like:

maximum number of mappers per node
maximum number of reducers per node

maximum percentage of non data local tasks
maximum percentage of rack local tasks

and set this in job properties.

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