[jira] [Commented] (YARN-7542) NM recovers some Running Opportunistic Containers as SUSPEND

["Arun Suresh (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-7542?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16305586#comment-16305586 ] 

Arun Suresh commented on YARN-7542:
-----------------------------------

Thanks for investigating and for the patch [~sampada].
pretty straightforward so +1. Testing this specific case looks to be non-trivial, so let tackle testing {{ContainersLauncher}} properly in a separate JIRA.

> NM recovers some Running Opportunistic Containers as SUSPEND
> ------------------------------------------------------------
>
>                 Key: YARN-7542
>                 URL: https://issues.apache.org/jira/browse/YARN-7542
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Arun Suresh
>            Assignee: Sampada Dehankar
>         Attachments: YARN-7542.001.patch
>
>
> Steps to reproduce:
> * Start YARN cluster - Enable Opportunistic containers and set NM queue length to something > 10. Also Enable work preserving restart
> * Start an MR job (without opportunistic containers)
> * Kill the NM and restart it again.
> * In the logs - it shows that some of the containers are in SUSPENDED state - even though they are still running.
> [~sampada15] / [~kartheek], can you take a look at this ?



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