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Posted to issues@ozone.apache.org by "Ethan Rose (Jira)" <ji...@apache.org> on 2020/12/09 18:13:00 UTC

[jira] [Created] (HDDS-4569) Add pre append gate and marker file to OM prepare state

Ethan Rose created HDDS-4569:
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             Summary: Add pre append gate and marker file to OM prepare state
                 Key: HDDS-4569
                 URL: https://issues.apache.org/jira/browse/HDDS-4569
             Project: Hadoop Distributed Data Store
          Issue Type: Sub-task
          Components: OM
            Reporter: Ethan Rose
            Assignee: Ethan Rose


Add a gate to the pre append step of OzoneManagerStateMachine to block further write requests from coming in when an ozone manager is prepared. Also add a marker file that is written when the OM is prepared so that if it is restarted without a special flag, it automatically enters prepare mode.



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