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From "Naganarasimha G R (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3045) [Event producers] Implement NM writing container lifecycle events to ATS
Date Mon, 13 Jul 2015 09:59:05 GMT

    [ https://issues.apache.org/jira/browse/YARN-3045?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14624472#comment-14624472

Naganarasimha G R commented on YARN-3045:

Hi [~djp],
Sorry for the delayed response! and some points to discuss for your queries as follows :
bq why we hook the track of container start event in ContainerManagerImpl, but for container
finished event, we do it inside of ContainerImpl? We should try to keep NMTimelinePublisher
get referenced in one place if no necessary for other places. 
This was intentionally done to avoid resending of timelineevents during recovery. In RM's
case also it was happening(which is being handled in YARN-3127) hence to avoid duplicate events
have kept it there. If any better ways to avoid, i am open for it .

Other comments will take care, some of it are due to missing to revert the code while testing

> [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-YARN-2928.002.patch, YARN-3045-YARN-2928.003.patch, YARN-3045-YARN-2928.004.patch,
YARN-3045-YARN-2928.005.patch, 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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