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https://issues.apache.org/jira/browse/YARN-9060?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16758368#comment-16758368
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Zhankun Tang edited comment on YARN-9060 at 2/1/19 2:39 PM:
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[~sunilg] , Thanks. And there's indeed a potential issue that it cannot
allocate 512 bytes from "malloc"... I'll add the check.
was (Author: tangzhankun):
[~sunilg] , Thanks. And there's indeed a potential issue that it cannot
allocate 512 bytes from "malloc"...
> [YARN-8851] Phase 1 - Support device isolation and use the Nvidia GPU plugin
> as an example
> ------------------------------------------------------------------------------------------
>
> 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, YARN-9060-trunk.002.patch,
> YARN-9060-trunk.003.patch, YARN-9060-trunk.004.patch,
> YARN-9060-trunk.005.patch, YARN-9060-trunk.006.patch,
> YARN-9060-trunk.007.patch, YARN-9060-trunk.008.patch,
> YARN-9060-trunk.009.patch, YARN-9060-trunk.010.patch,
> YARN-9060-trunk.011.patch, YARN-9060-trunk.012.patch,
> YARN-9060-trunk.013.patch, YARN-9060-trunk.014.patch,
> YARN-9060-trunk.015.patch, YARN-9060-trunk.016.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.
> This Jira will have three parts:
> # native c-e module
> # Java layer code to isolate devices for container (docker and non-docker)
> # A sample Nvidia GPU plugin
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