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https://issues.apache.org/jira/browse/YARN-9074?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16749296#comment-16749296
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Chandni Singh commented on YARN-9074:
-------------------------------------
[~uranus] Thanks for the patch. The change looks good. Failure of tests in
{{TestContainer}} are related though. They need to be updated as well.
> Docker container rm command should be executed after stop
> ---------------------------------------------------------
>
> Key: YARN-9074
> URL: https://issues.apache.org/jira/browse/YARN-9074
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Zhaohui Xin
> Assignee: Zhaohui Xin
> Priority: Major
> Attachments: YARN-9074.001.patch, image-2018-12-01-11-36-12-448.png,
> image-2018-12-01-11-38-18-191.png
>
>
> {code:java}
> @Override
> public void transition(ContainerImpl container, ContainerEvent event) {
> container.setIsReInitializing(false);
> // Set exit code to 0 on success
> container.exitCode = 0;
> // TODO: Add containerWorkDir to the deletion service.
> if (DockerLinuxContainerRuntime.isDockerContainerRequested(
> container.daemonConf,
> container.getLaunchContext().getEnvironment())) {
> removeDockerContainer(container);
> }
> if (clCleanupRequired) {
> container.dispatcher.getEventHandler().handle(
> new ContainersLauncherEvent(container,
> ContainersLauncherEventType.CLEANUP_CONTAINER));
> }
> container.cleanup();
> }{code}
> Now, when container is finished, NM firstly execute "_docker rm xxx"_ to
> remove it and this thread is placed in DeletionService. see more in YARN-5366
> .
> Next, NM will execute "_docker stop_" and "docker kill" command. these tow
> commands are wrapped up in ContainerCleanup thread and executed by
> ContainersLauncher. see more in YARN-7644.
> The above will cause the container's cleanup to be split into two threads. I
> think we should refactor these code to make all docker container killing
> process be place in ContainerCleanup thread and "_docker rm_" should be
> executed last.
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