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https://issues.apache.org/jira/browse/YARN-6930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16225289#comment-16225289
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Varun Vasudev commented on YARN-6930:
-------------------------------------
[~djp], this change turns off the Docker runtime by default. It has to be
explicitly turned on in 2.9. In 2.8 it was turned on by default .Given that the
Docker work is alpha, it may not be necessary, but I just wanted to make sure.
> Admins should be able to explicitly enable specific LinuxContainerRuntime in
> the NodeManager
> --------------------------------------------------------------------------------------------
>
> Key: YARN-6930
> URL: https://issues.apache.org/jira/browse/YARN-6930
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: nodemanager
> Reporter: Vinod Kumar Vavilapalli
> Assignee: Shane Kumpf
> Fix For: 2.9.0, 3.0.0-beta1, 2.8.2
>
> Attachments: YARN-6930.001.patch, YARN-6930.002.patch,
> YARN-6930.003.patch, YARN-6930.004.patch, YARN-6930.005.patch,
> YARN-6930.006.patch, YARN-6930.branch-2.001.patch,
> YARN-6930.branch-2.002.patch, YARN-6930.branch-2.8.001.patch,
> YARN-6930.branch-2.8.002.patch, YARN-6930.branch-2.8.2.001.patch
>
>
> Today, in the java land, all LinuxContainerRuntimes are always enabled when
> using LinuxContainerExecutor and the user can simply invoke anything that
> he/she wants - default, docker, java-sandbox.
> We should have a way for admins to explicitly enable only specific runtimes
> that he/she decides for the cluster. And by default, we should have
> everything other than the default one disabled.
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