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https://issues.apache.org/jira/browse/YARN-8523?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eric Yang resolved YARN-8523.
-----------------------------
       Resolution: Fixed
    Fix Version/s: 3.3.0

Resolved by YARN-8762.

> Interactive docker shell
> ------------------------
>
>                 Key: YARN-8523
>                 URL: https://issues.apache.org/jira/browse/YARN-8523
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Eric Yang
>            Assignee: Zian Chen
>            Priority: Major
>              Labels: Docker
>             Fix For: 3.3.0
>
>
> Some application might require interactive unix commands executions to carry 
> out operations.  Container-executor can interface with docker exec to debug 
> or analyze docker containers while the application is running.  It would be 
> nice to support an API to invoke docker exec to perform unix commands and 
> report back the output to application master.  Application master can 
> distribute and aggregate execution of the commands to record in application 
> master log file.



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