Stephen O'Donnell created HDDS-14669:
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Summary: 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
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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