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From "Sangjin Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4821) have a separate NM timeline publishing interval
Date Tue, 15 Mar 2016 18:34:33 GMT

    [ https://issues.apache.org/jira/browse/YARN-4821?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15195899#comment-15195899
] 

Sangjin Lee commented on YARN-4821:
-----------------------------------

I don't think it needs to be that sophisticated. It can be as simple as looking at the last
publishing time, and decide whether to emit the value at hand. There may well be more interesting
details to this, but let's figure it out here.

> have a separate NM timeline publishing interval
> -----------------------------------------------
>
>                 Key: YARN-4821
>                 URL: https://issues.apache.org/jira/browse/YARN-4821
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>    Affects Versions: YARN-2928
>            Reporter: Sangjin Lee
>              Labels: yarn-2928-1st-milestone
>
> Currently the interval with which NM publishes container CPU and memory metrics is tied
to {{yarn.nodemanager.resource-monitor.interval-ms}} whose default is 3 seconds. This is too
aggressive.
> There should be a separate configuration that controls how often {{NMTimelinePublisher}}
publishes container metrics.



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