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https://issues.apache.org/jira/browse/YARN-6589?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yang Wang updated YARN-6589:
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Attachment: YARN-6589.001.patch
> Recover all resources when NM restart
> -------------------------------------
>
> Key: YARN-6589
> URL: https://issues.apache.org/jira/browse/YARN-6589
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Yang Wang
> Assignee: Yang Wang
> Priority: Blocker
> Attachments: YARN-6589.001.patch, YARN-6589-YARN-3926.001.patch
>
>
> When NM restart, containers will be recovered. However, only memory and
> vcores in capability have been recovered. All resources need to be recovered.
> {code:title=ContainerImpl.java}
> // resource capability had been updated before NM was down
> this.resource =
> Resource.newInstance(recoveredCapability.getMemorySize(),
> recoveredCapability.getVirtualCores());
> {code}
> It should be like this.
> {code:title=ContainerImpl.java}
> // resource capability had been updated before NM was down
> // need to recover all resources, not only <mem, vcores>
> this.resource = Resources.clone(recoveredCapability);
> {code}
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