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https://issues.apache.org/jira/browse/YARN-5042?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15422291#comment-15422291
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Varun Vasudev commented on YARN-5042:
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Thanks for the updated patch [~luhuichun]! Just one change -
{code} + .addMountLocation("/sys/fs/cgroup", "/sys/fs/cgroup:ro", true);
{code}
Can you please set createSource to false? We don't want to create
/sys/fs/cgroup on the host machine if it doesn't exist.
> Mount /sys/fs/cgroup into Docker containers as read only mount
> --------------------------------------------------------------
>
> Key: YARN-5042
> URL: https://issues.apache.org/jira/browse/YARN-5042
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: yarn
> Reporter: Varun Vasudev
> Assignee: luhuichun
> Attachments: YARN-5042.001.patch, YARN-5042.002.patch,
> YARN-5042.003.patch, YARN-5042.004.patch
>
>
> Containers running systemd need access to /sys/fs/cgroup. We should mount it
> into the container as a read only mount.
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