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https://issues.apache.org/jira/browse/YARN-7904?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16734534#comment-16734534
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Eric Badger commented on YARN-7904:
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bq. Instead of making all bind-mounted directories read-only. We may want to
consider to block privileged container from non-entrypoint mode to reduce the
incompatible changes to the minimum. Thought?
This makes sense to me, but only because I don't see an easy solution for how
to deal with user logs or user data written as root. So I'm +1 for this idea.
> Privileged, trusted containers need all of their bind-mounted directories to
> be read-only
> -----------------------------------------------------------------------------------------
>
> Key: YARN-7904
> URL: https://issues.apache.org/jira/browse/YARN-7904
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Eric Badger
> Assignee: Zhaohui Xin
> Priority: Major
> Labels: Docker
>
> Since they will be running as some other user than themselves, the NM likely
> won't be able to clean up after them because of permissions issues. So, to
> prevent this, we should make these directories read-only.
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