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https://issues.apache.org/jira/browse/YARN-2324?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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zhihai xu updated YARN-2324:
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Attachment: YARN-2324.000.patch
> Race condition in continuousScheduling for FairScheduler
> --------------------------------------------------------
>
> Key: YARN-2324
> URL: https://issues.apache.org/jira/browse/YARN-2324
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: zhihai xu
> Assignee: zhihai xu
> Attachments: YARN-2324.000.patch
>
>
> Race condition in continuousScheduling for FairScheduler.
> removeNode can run when continuousScheduling is called in schedulingThread.
> If the node is removed from nodes, nodes.get(n2) and
> getFSSchedulerNode(nodeId) will be null. So we need add lock to remove the
> NPE/race conditions.
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