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From "Sunil G (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4044) Running applications information changes such as movequeue is not published to TimeLine server
Date Thu, 03 Sep 2015 12:26:45 GMT

    [ https://issues.apache.org/jira/browse/YARN-4044?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14728938#comment-14728938
] 

Sunil G commented on YARN-4044:
-------------------------------

Thank You [~Naganarasimha] for sharing the comments.

bq.ApplicationHistoryManagerOnTimelineStore.convertToApplicationReport needs to capture the
event ApplicationMetricsConstants.UPDATED_EVENT_TYPE 
I feel this is not needed. We are already not handling {{ACLS_UPDATED_EVENT_TYPE}} also. I
think we use different handling in {{convertToApplicationReport}} for CREATED_EVENT_TYPE and
FINISHED_EVENT_TYPE to record appStarted time and appFinished time (plus few other finished
details)
I used {{entityInfo}} to store Queue and Priority details. Hence the first part of code in
{{convertToApplicationReport}} covers reading that details and will fed to {{ApplicationReportExt}}
object.  Please share your opinion.

bq.we need to check return the report with the information present in latest ApplicationMetricsConstants.UPDATED_EVENT_TYPE
One doubt here. We already are using {{EnumSet.allOf(Field.class)}} in {{ApplicationHistoryManagerOnTimelineStore.getApplication}}
and hence it has {{LAST_EVENT_ONLY}} field. So we will read the last saved entity. Please
help to correct me if I am wrong.

> Running applications information changes such as movequeue is not published to TimeLine
server
> ----------------------------------------------------------------------------------------------
>
>                 Key: YARN-4044
>                 URL: https://issues.apache.org/jira/browse/YARN-4044
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager, timelineserver
>    Affects Versions: 2.7.0
>            Reporter: Sunil G
>            Assignee: Sunil G
>            Priority: Critical
>         Attachments: 0001-YARN-4044.patch, 0002-YARN-4044.patch
>
>
> SystemMetricsPublisher need to expose an appUpdated api to update any change for a running
application.
> Events can be 
> 	- change of queue for a running application.
>         - change of application priority for a running application.
> This ticket intends to handle both RM and timeline side changes. 



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