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https://issues.apache.org/jira/browse/YARN-1368?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14013880#comment-14013880
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Wangda Tan commented on YARN-1368:
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[~jianhe], while reading YARN-2022, I don't know if you considered
masterContainer recovering in this patch or not. I haven't found it in the
patch, I think we need to consider it if it's not here. For preemption policy,
it's important to get AM containers before making preemption decisions.
> Common work to re-populate containers’ state into scheduler
> -----------------------------------------------------------
>
> Key: YARN-1368
> URL: https://issues.apache.org/jira/browse/YARN-1368
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Bikas Saha
> Assignee: Jian He
> Attachments: YARN-1368.1.patch, YARN-1368.2.patch, YARN-1368.3.patch,
> YARN-1368.4.patch, YARN-1368.5.patch, YARN-1368.combined.001.patch,
> YARN-1368.preliminary.patch
>
>
> YARN-1367 adds support for the NM to tell the RM about all currently running
> containers upon registration. The RM needs to send this information to the
> schedulers along with the NODE_ADDED_EVENT so that the schedulers can recover
> the current allocation state of the cluster.
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