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https://issues.apache.org/jira/browse/YARN-4779?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15800173#comment-15800173
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Sunil G commented on YARN-4779:
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Path looks fine for me. I ll help to rebase the same.
> Fix AM container allocation logic in SLS
> ----------------------------------------
>
> Key: YARN-4779
> URL: https://issues.apache.org/jira/browse/YARN-4779
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: scheduler-load-simulator
> Reporter: Wangda Tan
> Assignee: Wangda Tan
> Labels: oct16-medium
> Attachments: YARN-4779.1.patch, YARN-4779.2.patch, YARN-4779.3.patch,
> YARN-4779.4.patch
>
>
> Currently, SLS uses unmanaged AM for simulated map-reduce applications. And
> first allocated container for each app is considered to be the master
> container.
> This could be problematic when preemption happens. CapacityScheduler preempt
> AM container at lowest priority, but the simulated AM container isn't
> recognized by scheduler -- it is a normal container from scheduler's
> perspective.
> This JIRA tries to fix this logic: do the real AM allocation instead of using
> unmanaged AM.
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