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From "Sandy Ryza (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (YARN-2367) Make ResourceCalculator configurable for FairScheduler and FifoScheduler like CapacityScheduler
Date Tue, 29 Jul 2014 21:25:42 GMT

     [ https://issues.apache.org/jira/browse/YARN-2367?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sandy Ryza resolved YARN-2367.
------------------------------

    Resolution: Not a Problem

Hi Swapnil,
The Fair Scheduler supports this through a different interface.  "Scheduling policies" can
be configured at any queue level in the hierarchy.

In general, the FIFO scheduler lacks most of the advanced functionality of the Fair and Capacity
schedulers.  My opinion is that achieving parity is a non-goal.  If you think this shouldn't
be the case, feel free to reopen this JIRA under a name like "Support multi-resource scheduling
in the FIFO scheduler" and we can discuss whether that's worth embarking on.

> Make ResourceCalculator configurable for FairScheduler and FifoScheduler like CapacityScheduler
> -----------------------------------------------------------------------------------------------
>
>                 Key: YARN-2367
>                 URL: https://issues.apache.org/jira/browse/YARN-2367
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: resourcemanager
>    Affects Versions: 2.2.0, 2.3.0, 2.4.1
>            Reporter: Swapnil Daingade
>            Priority: Minor
>
> The ResourceCalculator used by CapacityScheduler is read from a configuration file entry
capacity-scheduler.xml yarn.scheduler.capacity.resource-calculator. This allows for custom
implementations that implement the ResourceCalculator interface to be plugged in. It would
be nice to have the same functionality in FairScheduler and FifoScheduler.



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