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https://issues.apache.org/jira/browse/YARN-9584?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wanqiang Ji updated YARN-9584:
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Attachment: YARN-9584.001.patch
> Should put initializeProcessTrees method call before get pid
> ------------------------------------------------------------
>
> Key: YARN-9584
> URL: https://issues.apache.org/jira/browse/YARN-9584
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Reporter: Wanqiang Ji
> Assignee: Wanqiang Ji
> Priority: Critical
> Attachments: YARN-9584.001.patch
>
>
> In ContainerMonitorImpl#MonitoringThread.run method had a logic error that
> get pid first then initialize uninitialized process trees.
> {code:java}
> String pId = ptInfo.getPID();
> // Initialize uninitialized process trees
> initializeProcessTrees(entry);
> if (pId == null || !isResourceCalculatorAvailable()) {
> continue; // processTree cannot be tracked
> }
> {code}
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