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https://issues.apache.org/jira/browse/YARN-1493?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jian He updated YARN-1493:
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Description: Today, scheduler is tied to attempt only. 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.
> Separate app-level handling logic in scheduler
> -----------------------------------------------
>
> 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
>
> Today, scheduler is tied to attempt only. 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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