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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3045) [Event producers] Implement NM writing container lifecycle events to ATS
Date Thu, 30 Apr 2015 06:13:08 GMT

    [ https://issues.apache.org/jira/browse/YARN-3045?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14520929#comment-14520929
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Vinod Kumar Vavilapalli commented on YARN-3045:
-----------------------------------------------

bq. IIUC from discussions in 3044, as suggested by Junping Du we have container metrics published
as optional feature in RM side and have also coded accordingly, and even Sangjin Lee recent
comment was inline with this idea. Hence earlier added some code in NM side to get all the
required information about container which are currently got it in RM. 
Good to know. Will look at that JIRA. My point is we need to do it only in one place, either
RM or NM. On first reaction, writing from NMs is more distributed, but we'll see.

bq. Gather all timeline publishing code in one place and have a single async dispatcher taking
caring of publishing timeline entities/events.
I am inclined towards this approach. Kind of similar to what happens in MapReduce AM. There
is no point in spraying TimelineClient all over the NM?

> [Event producers] Implement NM writing container lifecycle events to ATS
> ------------------------------------------------------------------------
>
>                 Key: YARN-3045
>                 URL: https://issues.apache.org/jira/browse/YARN-3045
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>            Reporter: Sangjin Lee
>            Assignee: Naganarasimha G R
>         Attachments: YARN-3045.20150420-1.patch
>
>
> Per design in YARN-2928, implement NM writing container lifecycle events and container
system metrics to ATS.



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