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From "Zhijie Shen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3044) [Event producers] Implement RM writing app lifecycle events to ATS
Date Tue, 12 May 2015 21:26:02 GMT

    [ https://issues.apache.org/jira/browse/YARN-3044?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14540783#comment-14540783
] 

Zhijie Shen commented on YARN-3044:
-----------------------------------

bq. Well i had raised config related queries earlier as it dint get concluded was planning
to get it done as part of a new jira, AFAIK intention in ATS is to collect the App side configs
than server side ones. And RM will not be aware of App configs, so my initial idea was to
support additional interface in the client to publish Application specific configs. Correct
me if i am wrong and also inform whether its ok to handle configs in another jira.

So can we undo the code change related to config for this jira?

bq. May be i did not get this clearly, but AFAIK the packages and classes for the Timeline
events & entities are different and the way we publish entities is also different, so
though the code looks duplicated i think nutting further to be reduced/cleaned up here.


In general, I'm suggesting the code style in MAPREDUCE-6335, which seems to be more clear.
However, I'm okay to keep to the current code if it's complex to refactor it.

bq. but you had commented to have single config yarn.system-metrics-publisher.enabled and
hence i had remodified.

Right, but it turns out to be that RM and NM seem not to be able to uniform the configs (such
as the new config added here) between them, and more than one feature require somewhat version
flag to differentiate the behavior. Never mind. I'll take care of it separately.

> [Event producers] Implement RM writing app lifecycle events to ATS
> ------------------------------------------------------------------
>
>                 Key: YARN-3044
>                 URL: https://issues.apache.org/jira/browse/YARN-3044
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>            Reporter: Sangjin Lee
>            Assignee: Naganarasimha G R
>              Labels: BB2015-05-TBR
>         Attachments: YARN-3044-YARN-2928.004.patch, YARN-3044-YARN-2928.005.patch, YARN-3044-YARN-2928.006.patch,
YARN-3044-YARN-2928.007.patch, YARN-3044.20150325-1.patch, YARN-3044.20150406-1.patch, YARN-3044.20150416-1.patch
>
>
> Per design in YARN-2928, implement RM writing app lifecycle events to ATS.



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