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https://issues.apache.org/jira/browse/YARN-7916?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eric Badger updated YARN-7916:
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Labels: Docker (was: )
> Remove call to docker logs on failure in container-executor
> -----------------------------------------------------------
>
> Key: YARN-7916
> URL: https://issues.apache.org/jira/browse/YARN-7916
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Shane Kumpf
> Assignee: Shane Kumpf
> Priority: Major
> Labels: Docker
> Fix For: 3.1.0
>
> Attachments: YARN-7916.001.patch
>
>
> If a Docker container fails with a non-zero exit code, container-executor
> attempts to run a {{docker logs --tail=250 container_name}} to provide more
> details on why the container failed. While the idea is good, the current
> implementation will fail for most containers as they are leveraging a launch
> script whose output will be redirected to a file. The {{--tail}} option
> throws an error if no log output is available for the container, resulting in
> the docker logs command returning rc=1 in most cases.
> I propose we remove this code from container-executor. Alternative approaches
> to handle logging can be explored as part of supporting an image's entrypoint.
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