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https://issues.apache.org/jira/browse/YARN-5366?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eric Badger updated YARN-5366:
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Labels: Docker oct16-medium (was: oct16-medium)
> Improve handling of the Docker container life cycle
> ---------------------------------------------------
>
> Key: YARN-5366
> URL: https://issues.apache.org/jira/browse/YARN-5366
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: yarn
> Affects Versions: 3.1.0
> Reporter: Shane Kumpf
> Assignee: Shane Kumpf
> Priority: Major
> Labels: Docker, oct16-medium
> Fix For: 3.1.0
>
> Attachments: YARN-5366.001.patch, YARN-5366.002.patch,
> YARN-5366.003.patch, YARN-5366.004.patch, YARN-5366.005.patch,
> YARN-5366.006.patch, YARN-5366.007.patch, YARN-5366.008.patch,
> YARN-5366.009.patch, YARN-5366.010.patch
>
>
> There are several paths that need to be improved with regard to the Docker
> container lifecycle when running Docker containers on YARN.
> 1) Provide the ability to keep a container on the NodeManager for a set
> period of time for debugging purposes.
> 2) Support sending signals to the process in the container to allow for
> triggering stack traces, heap dumps, etc.
> 3) Support for Docker's live restore, which means moving away from the use of
> {{docker wait}}. (YARN-5818)
> 4) Improve the resiliency of liveliness checks (kill -0) by adding retries.
> 5) Improve the resiliency of container removal by adding retries.
> 6) Only attempt to stop, kill, and remove containers if the current container
> state allows for it.
> 7) Better handling of short lived containers when the container is stopped
> before the PID can be retrieved. (YARN-6305)
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