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From "Naganarasimha G R (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4821) have a separate NM timeline publishing interval
Date Tue, 15 Mar 2016 18:30:33 GMT

    [ https://issues.apache.org/jira/browse/YARN-4821?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15195884#comment-15195884

Naganarasimha G R commented on YARN-4821:

??is it we capture instantaneous CPU usage or CPU for the period NMTimelinePublisher publishing??
=> I mean like suppose *resource-monitor.interval-ms* is 3 seconds and cpu metrics ATS
publishing interval is 6 seconds then we just take what ever reported by *ContainerMonitorInterval*
after 6 seconds or we store the intermediate values average it and then push it ?
And also how to deal if *resource-monitor.interval-ms* is 3 seconds and ATS metrics publish
interval is 4/5 seconds ?

> 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
> There should be a separate configuration that controls how often {{NMTimelinePublisher}}
publishes container metrics.

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