[jira] [Commented] (YARN-5670) Add support for Docker image clean up

["Eric Yang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-5670?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16797658#comment-16797658 ] 

Eric Yang commented on YARN-5670:
---------------------------------

The current proposal is to have a configuration flag to enable a background image clean up thread.  The image clean up thread wakes up every 4 hours to remove docker images that has not been used in the last 24 hours.  Docker command to run is:

{code}
docker image prune -a --filter "until=24h" -f
{code}


> Add support for Docker image clean up
> -------------------------------------
>
>                 Key: YARN-5670
>                 URL: https://issues.apache.org/jira/browse/YARN-5670
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: yarn
>            Reporter: Zhankun Tang
>            Assignee: Eric Yang
>            Priority: Major
>              Labels: Docker
>
> Regarding to Docker image localization, we also need a way to clean up the old/stale Docker image to save storage space. We may extend deletion service to utilize "docker rm" to do this.
> This is related to YARN-3854 and may depend on its implementation. Please refer to YARN-3854 for Docker image localization details.



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