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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6670) Add separate NM overallocation thresholds for cpu and memory
Date Mon, 19 Jun 2017 18:04:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6670?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16054487#comment-16054487
] 

Karthik Kambatla commented on YARN-6670:
----------------------------------------

I like the idea of making a decision based on the usage over a period of time. However, that
is definitely more complicated and can be added at a later stage. Unless the applications
are have strong synchronization barriers to ensure they all start/stop at the same time, the
approach of using the snapshot usage - over tasks from multiple applications - should not
be too far off from the optimal over a period. [~haibo.chen] - can we file another JIRA to
continue the conversation around time periods? 

+1 on the latest patch. 

> Add separate NM overallocation thresholds for cpu and memory
> ------------------------------------------------------------
>
>                 Key: YARN-6670
>                 URL: https://issues.apache.org/jira/browse/YARN-6670
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager
>    Affects Versions: 3.0.0-alpha3
>            Reporter: Haibo Chen
>            Assignee: Haibo Chen
>         Attachments: YARN-6670-YARN-1011.00.patch, YARN-6670-YARN-1011.01.patch, YARN-6670-YARN-1011.02.patch,
YARN-6670-YARN-1011.03.patch, YARN-6670-YARN-1011.04.patch, YARN-6670-YARN-1011.05.patch
>
>




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