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https://issues.apache.org/jira/browse/HDDS-14669?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stephen O'Donnell reassigned HDDS-14669:
----------------------------------------

    Assignee: Stephen O'Donnell

> Waiting in finalization should not block a server thread
> --------------------------------------------------------
>
>                 Key: HDDS-14669
>                 URL: https://issues.apache.org/jira/browse/HDDS-14669
>             Project: Apache Ozone
>          Issue Type: Improvement
>            Reporter: Stephen O'Donnell
>            Assignee: Stephen O'Donnell
>            Priority: Major
>
> SCMUpgradeFinalizer.waitForDatanodesToFinalize() currently enters a loop with 
> a sleep (mirroring the original code this replaced) while it waits for 
> finalize to complete. We want to change this to avoid blocking a thread and 
> instead use the DN heartbeats and a polling mechanism to wait for 
> finalization to complete instead.



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