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https://issues.apache.org/jira/browse/YARN-4143?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14876494#comment-14876494
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Anubhav Dhoot commented on YARN-4143:
-------------------------------------
Cannot think of an API to add to the scheduler that will be called by
RMAppAttempt. We can add an event to SchedulerEventType such as
AM_CONTAINER_ALLOCATED that happens in the 2 places you mentioned. Seems
overkill to me. Lemme know if you have any alternate ways of doing this.
> Optimize the check for AMContainer allocation needed by blacklisting and
> ContainerType
> --------------------------------------------------------------------------------------
>
> Key: YARN-4143
> URL: https://issues.apache.org/jira/browse/YARN-4143
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Anubhav Dhoot
> Assignee: Anubhav Dhoot
> Attachments: YARN-4143.001.patch
>
>
> In YARN-2005 there are checks made to determine if the allocation is for an
> AM container. This happens in every allocate call and should be optimized
> away since it changes only once per SchedulerApplicationAttempt
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