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From "Abhishek Modi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-8163) Add support for Node Labels in opportunistic scheduling.
Date Thu, 03 May 2018 18:04:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-8163?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16462874#comment-16462874
] 

Abhishek Modi commented on YARN-8163:
-------------------------------------

Submitted v3 patch fixing CR comments. [~giovanni.fumarola] regarding 
{quote}In _OpportunisticContainerAllocatorAMService#allocate_ _partitionedAsks.getOpportunistic()_ can
be null. Please add null pointer check.
{quote}
I think it should never be null as we are always initializing opportunistic with an empty
ArrayList.

> Add support for Node Labels in opportunistic scheduling.
> --------------------------------------------------------
>
>                 Key: YARN-8163
>                 URL: https://issues.apache.org/jira/browse/YARN-8163
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Abhishek Modi
>            Assignee: Abhishek Modi
>            Priority: Major
>         Attachments: YARN-8163.002.patch, YARN-8163.003.patch, YARN-8163.patch
>
>
> Currently, the Opportunistic Scheduler doesn't honor node labels constraints and schedule
containers based on locality and load constraints. This Jira is to add support in opportunistic
scheduling to honor node labels in resource requests.



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