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From "Anubhav Dhoot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3363) add localization and container launch time to ContainerMetrics at NM to show these timing information for each active container.
Date Tue, 21 Apr 2015 20:58:59 GMT

    [ https://issues.apache.org/jira/browse/YARN-3363?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14505744#comment-14505744
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Anubhav Dhoot commented on YARN-3363:
-------------------------------------

The duration do not seem to belong in a ProcessTree class. 
Can we instead of flowing the durations through the ProcessTree class, add the metrics directly
in the ContainersMonitorImpl#handle by reading the startEvent.getLaunchDuration() directly?

Nit: ContainerMetrics:recordTime maybe could rename to recordStateChangeDurations or something
to that effect?
sendContainerMonitorStartEvent has two different ways duration were calculated. Maybe make
2 local variables for launchDuration and localizationDuration and then we do not need the
comment.


> add localization and container launch time to ContainerMetrics at NM to show these timing
information for each active container.
> --------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-3363
>                 URL: https://issues.apache.org/jira/browse/YARN-3363
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: nodemanager
>            Reporter: zhihai xu
>            Assignee: zhihai xu
>              Labels: metrics, supportability
>         Attachments: YARN-3363.000.patch
>
>
> add localization and container launch time to ContainerMetrics at NM to show these timing
information for each active container.
> Currently ContainerMetrics has container's actual memory usage(YARN-2984),  actual CPU
usage(YARN-3122), resource  and pid(YARN-3022). It will be better to have localization and
container launch time in ContainerMetrics for each active container.



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