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Posted to issues@ozone.apache.org by "Aravindan Vijayan (Jira)" <ji...@apache.org> on 2020/12/09 19:56:00 UTC

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

     [ https://issues.apache.org/jira/browse/HDDS-4569?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aravindan Vijayan updated HDDS-4569:
------------------------------------
    Component/s: Ozone Manager

> 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, Ozone Manager
>            Reporter: Ethan Rose
>            Assignee: Ethan Rose
>            Priority: Major
>
> 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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