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https://issues.apache.org/jira/browse/YARN-8523?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16568291#comment-16568291
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Jason Lowe commented on YARN-8523:
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Involving the nodemanager in the data path should consider how to handle
nodemanager restarts. Therefore it would be nice if we could avoid having the
nodemanager involved in the data transfer path. There are other pros and cons
to doing so, but I wanted to raise awareness of the restart feature impacting
this approach.
> 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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