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From "Weiwei Yang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6596) Introduce Placement Constraint Manager module
Date Thu, 21 Dec 2017 08:39:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6596?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16299714#comment-16299714
] 

Weiwei Yang commented on YARN-6596:
-----------------------------------

Hi [~kkaranasos], thanks, since current implementation is a in-memory store, how these info
can be recovered on RM failure?

> Introduce Placement Constraint Manager module
> ---------------------------------------------
>
>                 Key: YARN-6596
>                 URL: https://issues.apache.org/jira/browse/YARN-6596
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Konstantinos Karanasos
>            Assignee: Konstantinos Karanasos
>         Attachments: YARN-6596-YARN-6592.001.patch
>
>
> This RM module will be responsible for storing placement constraints, allocation tags,
and node attributes.
> It will be used when determining the placement of SchedulingRequests with constraints.



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