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https://issues.apache.org/jira/browse/YARN-2718?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14292903#comment-14292903
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Chun Chen commented on YARN-2718:
---------------------------------
Well, The patch I've uploaded mainly focuses on making apps which running on a
same Yarn cluster able to specify different container executors. Yarn currently
only supports using s single container executor to launch containers. As
[~guoleitao] said, we want to run both MapReduce jobs and Dockers on the same
cluster. I think maybe it's better for me to upload the patch on YARN-1983.
As for the debug purpose of Docker containers, we implement a service registry
feature to register host ip and ports of the running containers on a
highly-available key value store etcd and make use of webshell to debug.
> Create a CompositeConatainerExecutor that combines DockerContainerExecutor
> and DefaultContainerExecutor
> -------------------------------------------------------------------------------------------------------
>
> Key: YARN-2718
> URL: https://issues.apache.org/jira/browse/YARN-2718
> Project: Hadoop YARN
> Issue Type: New Feature
> Reporter: Abin Shahab
> Attachments: YARN-2718.patch
>
>
> There should be a composite container that allows users to run their jobs in
> DockerContainerExecutor, but switch to DefaultContainerExecutor for debugging
> purposes.
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