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https://issues.apache.org/jira/browse/MAPREDUCE-4026?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Harsh J updated MAPREDUCE-4026:
-------------------------------
Resolution: Duplicate
Status: Resolved (was: Patch Available)
Carrying this same effort on MAPREDUCE-3812 along with other relevant and
already existing changes there.
Resolving as duplicate of MAPREDUCE-3812.
> 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: 2.0.0
> Reporter: Harsh J
> Assignee: Harsh J
> Attachments: MAPREDUCE-4026.patch, MAPREDUCE-4026.patch,
> MAPREDUCE-4026.patch, MAPREDUCE-4026.patch, MAPREDUCE-4026.patch
>
>
> 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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