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From "Chris Douglas (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1518) Ensure CapacityScheduler remains compatible with SLS simulator
Date Fri, 20 Dec 2013 01:14:07 GMT

    [ https://issues.apache.org/jira/browse/YARN-1518?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13853560#comment-13853560
] 

Chris Douglas commented on YARN-1518:
-------------------------------------

bq. I already saw maintenance issues in multiple JIRAs already. If possible we should put
the pieces that work closely with the main code path to be close to the original sources.

Agreed; maintaining a parallel branch of the RM is likely to fall out of sync with reality.
AFAIK, the metrics and plotting are the only significant differences, but [~ywskycn] can speak
to the details.

> Ensure CapacityScheduler remains compatible with SLS simulator
> --------------------------------------------------------------
>
>                 Key: YARN-1518
>                 URL: https://issues.apache.org/jira/browse/YARN-1518
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: scheduler
>            Reporter: Chris Douglas
>            Priority: Minor
>
> YARN-1471 added a workaround for the CapacityScheduler and monitors to work with the
SLS simulator. This issue explores a cleaner integration, including tests to verify continued
compatibility.



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