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https://issues.apache.org/jira/browse/YARN-4382?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15663485#comment-15663485
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XiaopengLi commented on YARN-4382:
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Hi Jun Gong.I have the interest to fix this problem. But I can not understand
what you mean. You want to write the shell command or the script to
release_agent in the cgroup ? The Shell command or the script that can delete
the hierarchy or the container empty dirs.You can write the demo or descirbe
your idea?Thanks.：）
> Container hierarchy in cgroup may remain for ever after the container have be
> terminated
> ----------------------------------------------------------------------------------------
>
> Key: YARN-4382
> URL: https://issues.apache.org/jira/browse/YARN-4382
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 2.5.2
> Reporter: lachisis
> Assignee: Jun Gong
>
> If we use LinuxContainerExecutor to executor the containers, this question
> may happens.
> In the common case, when a container run, a corresponding hierarchy will be
> created in cgroup dir. And when the container terminate, the hierarchy will
> be delete in some seconds(this time can be configured by
> yarn.nodemanager.linux-container-executor.cgroups.delete-delay-ms).
> In the code, I find that, CgroupsLCEResource send a signal to kill container
> process asynchronously, and in the same time, it will try to delete the
> container hierarchy in configured "delete-delay-ms" times.
> But if the container process be killed for seconds which large than
> "delete-delay-ms" time, the container hierarchy will remain for ever.
>
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