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https://issues.apache.org/jira/browse/HDDS-4183?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aravindan Vijayan updated HDDS-4183:
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Summary: Support backward compatible upgrade to a version with key prefix
management (was: Support backward compatible upgrade to a version with key
prefix management.)
> Support backward compatible upgrade to a version with key prefix management
> ---------------------------------------------------------------------------
>
> Key: HDDS-4183
> URL: https://issues.apache.org/jira/browse/HDDS-4183
> Project: Hadoop Distributed Data Store
> Issue Type: Sub-task
> Components: Ozone Manager
> Reporter: Aravindan Vijayan
> Assignee: Aravindan Vijayan
> Priority: Major
> Fix For: 1.1.0
>
>
> HDDS-2939 makes fundamental changes to how OM writes & reads its metadata.
> Since this is about as big a layout change as can be, we have to make sure
> this is properly managed through the upgrade flow. In addition to upgrades,
> we should support downgrades from pre-finalized state of OM.
> cc [~rakeshr] / [~msingh]
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