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https://issues.apache.org/jira/browse/YARN-3387?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jian He updated YARN-3387:
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Assignee: sandflee
> Previous AM's container complete message couldn't pass to current am if am
> restarted and rm changed
> ---------------------------------------------------------------------------------------------------
>
> Key: YARN-3387
> URL: https://issues.apache.org/jira/browse/YARN-3387
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 2.6.0
> Reporter: sandflee
> Assignee: sandflee
> Priority: Critical
> Labels: patch
> Fix For: 2.8.0
>
> Attachments: YARN-3387.001.patch, YARN-3387.002.patch
>
>
> suppose am work preserving and rm ha is enabled.
> container complete message is passed to appattemt.justFinishedContainers in
> rm。in normal situation，all attempt in one app shares the same
> justFinishedContainers, but when rm changed, every attempt has it's own
> justFinishedContainers, so in situations below, container complete message
> couldn't passed to am:
> 1, am restart
> 2, rm changes
> 3, container launched by first am completes
> container complete message will be passed to appAttempt1 not appAttempt2, but
> am pull finished containers from appAttempt2 (currentAppAttempt)
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