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From "Arun Suresh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-7819) Allow PlacementProcessor to be used with the FairScheduler
Date Thu, 01 Feb 2018 15:15:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-7819?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16348714#comment-16348714
] 

Arun Suresh commented on YARN-7819:
-----------------------------------

Updated patch. Fixinig findbugs and checkstyles.

[~templedf], 
bq. Will calling the assignment node-local in the metrics update confuse the metrics? What
if it's not actually node local?
So, by definition, attemptAllocationOnNode, will always be a node local request, It SHOULD
therefore update the metrics.

> Allow PlacementProcessor to be used with the FairScheduler
> ----------------------------------------------------------
>
>                 Key: YARN-7819
>                 URL: https://issues.apache.org/jira/browse/YARN-7819
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Arun Suresh
>            Assignee: Arun Suresh
>            Priority: Major
>         Attachments: YARN-7819-YARN-6592.001.patch, YARN-7819-YARN-7812.001.patch, YARN-7819.002.patch,
YARN-7819.003.patch
>
>
> The FairScheduler needs to implement the {{ResourceScheduler#attemptAllocationOnNode}}
function for the processor to support the FairScheduler.



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