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https://issues.apache.org/jira/browse/HADOOP-4938?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hemanth Yamijala reassigned HADOOP-4938:
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Assignee: Peeyush Bishnoi
> [HOD] Cleanup idle HOD clusters whose ringmaster nodes might have gone down
> ---------------------------------------------------------------------------
>
> Key: HADOOP-4938
> URL: https://issues.apache.org/jira/browse/HADOOP-4938
> Project: Hadoop Core
> Issue Type: Improvement
> Components: contrib/hod
> Reporter: Hemanth Yamijala
> Assignee: Peeyush Bishnoi
>
> As mentioned in HADOOP-4937, sometimes in large cluster deployments, faulty
> nodes on which the ringmaster process comes up may go down after the cluster
> is successfully allocated. Such clusters fail to deallocate automatically
> even if the idleness limit of the cluster is exceeded. This is because the
> idleness is tracked by the ringmaster process which itself has gone down.
> As large number of nodes can get held up due to this, such clusters should be
> detected and deallocated in some manner.
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