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https://issues.apache.org/jira/browse/YARN-1493?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13855379#comment-13855379
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Jian He commented on YARN-1493:
-------------------------------
bq. I don't see an AppRemovedSchedulerEvent fired during an AppKilledTransition.
AppKilledTransition is calling FinalTransition which fires
AppRemovedSchedulerEvent event.
bq. Still a few places where second line only has two instead of four spaces of
indentation.
looks like some problem with my formatter, will fix it.
> Schedulers don't recognize apps separately from app-attempts
> ------------------------------------------------------------
>
> Key: YARN-1493
> URL: https://issues.apache.org/jira/browse/YARN-1493
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Jian He
> Assignee: Jian He
> Attachments: YARN-1493.1.patch, YARN-1493.2.patch, YARN-1493.3.patch,
> YARN-1493.4.patch, YARN-1493.5.patch
>
>
> Today, scheduler is tied to attempt only.
> We need to separate app-level handling logic in scheduler. We can add new
> app-level events to the scheduler and separate the app-level logic out. This
> is good for work-preserving AM restart, RM restart, and also needed for
> differentiating app-level metrics and attempt-level metrics.
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