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https://issues.apache.org/jira/browse/YARN-4267?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14960276#comment-14960276
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Varun Vasudev commented on YARN-4267:
-------------------------------------

+1. I'll commit this on Monday if no one objects.

> Add additional logging to container launch implementations in 
> container-executor
> --------------------------------------------------------------------------------
>
>                 Key: YARN-4267
>                 URL: https://issues.apache.org/jira/browse/YARN-4267
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: yarn
>            Reporter: Sidharta Seethana
>            Assignee: Sidharta Seethana
>         Attachments: YARN-4267.001.patch
>
>
> The launch container implementations in container-executor involve several 
> steps and when a container launch fails, it is not always evident what steps 
> were successfully completed. This is particularly true of launching docker 
> containers. Additional logging would help in diagnosing problems/debug 
> issues. 



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