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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3630) YARN should suggest a heartbeat interval for applications
Date Thu, 14 May 2015 18:30:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-3630?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14544157#comment-14544157
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Wangda Tan commented on YARN-3630:
----------------------------------

[~xinxianyin],
Thanks for sharing your thoughts, I think we can add an interface to Dispatcher to get #events
waiting.
We can add more details of waiting events for different components, but as the first step,
I think we can add it for scheduler.

Maybe we can create a SchedulerMetrics to track scheduler internal fields, sounds like a plan?
[~kasha].

> YARN should suggest a heartbeat interval for applications
> ---------------------------------------------------------
>
>                 Key: YARN-3630
>                 URL: https://issues.apache.org/jira/browse/YARN-3630
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: resourcemanager, scheduler
>    Affects Versions: 2.7.0
>            Reporter: Zoltán Zvara
>            Assignee: Xianyin Xin
>            Priority: Minor
>
> It seems currently applications - for example Spark - are not adaptive to RM regarding
heartbeat intervals. RM should be able to suggest a desired heartbeat interval to applications.



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