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From "Harsh J (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-4026) Lower minimum-allocation-mb to sensible defaults
Date Fri, 16 Mar 2012 21:23:41 GMT
Lower minimum-allocation-mb to sensible defaults

                 Key: MAPREDUCE-4026
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4026
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: mrv2, scheduler
    Affects Versions: 0.23.3
            Reporter: Harsh J
            Assignee: Harsh J

The CapacityScheduler's minimum-allocation-mb is set to 1024.

The FIFO's minimum-allocation-mb meanwhile, is 128.

I propose changing the formers' minimum to that amount as well. 1024 is way too much as a
default, wastes "slots" on NMs - and I also do not see why CS has to deviate that settings
from the FIFO default.

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