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https://issues.apache.org/jira/browse/YARN-1187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17260888#comment-17260888
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Wei Yan commented on YARN-1187:
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[~afchung90] feel free to take it :)

> Add discrete event-based simulation to yarn scheduler simulator
> ---------------------------------------------------------------
>
>                 Key: YARN-1187
>                 URL: https://issues.apache.org/jira/browse/YARN-1187
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Wei Yan
>            Assignee: Wei Yan
>            Priority: Major
>
> Follow the discussion in YARN-1021.
> Discrete event simulation decouples the running from any real-world clock. 
> This allows users to step through the execution, set debug points, and 
> definitely get a deterministic rexec. 



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