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https://issues.apache.org/jira/browse/YARN-9060?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16703546#comment-16703546
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Wangda Tan commented on YARN-9060:
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[~tangzhankun], explanation makes sense, and the issue about GPU seems valid,
once you have a jira and patch, I can help w/ patch reviews.
> [YARN-8851] Phase 1 - Support device isolation in native container-executor
> ---------------------------------------------------------------------------
>
> Key: YARN-9060
> URL: https://issues.apache.org/jira/browse/YARN-9060
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Zhankun Tang
> Assignee: Zhankun Tang
> Priority: Major
> Attachments: YARN-9060-trunk.001.patch
>
>
> Due to the cgroups v1 implementation policy in linux kernel, we cannot update
> the value of the device cgroups controller unless we have the root permission
> ([here|https://github.com/torvalds/linux/blob/6f0d349d922ba44e4348a17a78ea51b7135965b1/security/device_cgroup.c#L604]).
> So we need to support this in container-executor for Java layer to invoke.
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