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https://issues.apache.org/jira/browse/YARN-6930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16225274#comment-16225274
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Junping Du commented on YARN-6930:
----------------------------------

Hi [~vvasudev], thanks for comments. It sounds like 2.8.2 and 2.9 have the same 
configuration from my quick check. Given 2.8.2 is the first stable release of 
2.8, it doesn't sounds incompatible to 2.9 release. Do I miss something here?

> 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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