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From "Shane Kumpf (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-7973) Support ContainerRelaunch for Docker containers
Date Sat, 31 Mar 2018 12:31:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-7973?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16421303#comment-16421303
] 

Shane Kumpf commented on YARN-7973:
-----------------------------------

Attaching a new patch that has been rebased to trunk

> Support ContainerRelaunch for Docker containers
> -----------------------------------------------
>
>                 Key: YARN-7973
>                 URL: https://issues.apache.org/jira/browse/YARN-7973
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Shane Kumpf
>            Assignee: Shane Kumpf
>            Priority: Major
>         Attachments: YARN-7973.001.patch, YARN-7973.002.patch, YARN-7973.003.patch
>
>
> Prior to YARN-5366, {{container-executor}} would remove the Docker container when it
exited. The removal is now handled by the {{DockerLinuxContainerRuntime}}. {{ContainerRelaunch}} is
intended to reuse the workdir from the previous attempt, and does not call {{cleanupContainer}} prior
to {{launchContainer}}. The container ID is reused as well. As a result, the previous Docker
container still exists, resulting in an error from Docker indicating the a container by that
name already exists.



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