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https://issues.apache.org/jira/browse/YARN-8523?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16544756#comment-16544756
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Eric Yang commented on YARN-8523:
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You are welcome to work on this. Hadoop is built with community contributions.
There are others who are also interested to work on this. This JIRA would be a
great place for the collaboration. Submit your proposal and patches, and
interested parties can discuss the details.
> 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
> Priority: Major
> Labels: Docker
>
> 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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