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https://issues.apache.org/jira/browse/HDDS-14665?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Abhishek Pal updated HDDS-14665:
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Parent: (was: HDDS-10611)
Issue Type: Improvement (was: Sub-task)
> Add upgrade handling to S3Multipart requests
> --------------------------------------------
>
> Key: HDDS-14665
> URL: https://issues.apache.org/jira/browse/HDDS-14665
> Project: Apache Ozone
> Issue Type: Improvement
> Reporter: Abhishek Pal
> Assignee: Abhishek Pal
> Priority: Major
>
> If we introduce a new schema, new writes may happen while we are in
> pre-finalize state.
> This means client might start writing with new schema version. But what
> happens if they want to downgrade from that point?
> So we need to add checks such that if the upgrade finalization has not been
> done i.e. layout version still doesn't support the split table functionality,
> new writes should be enforced with *schemaVersion: 0*.
> Similar checks must be added to other requests where if any existing write is
> happening with schemaVersion: 1 and the layout version doesn't support split
> table, then we must throw error.
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