Marcel Reutegger created OAK-7703:
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Summary: Format version handling on upgrade
Key: OAK-7703
URL: https://issues.apache.org/jira/browse/OAK-7703
Project: Jackrabbit Oak
Issue Type: Improvement
Components: documentmk
Reporter: Marcel Reutegger
The current upgrade procedure for a DocumentNodeStore deployment requires
downtime and reduced capacity for some time. Future upgrade should work without
downtime. This means a format version change introduced with OAK-4529 must be
handled differently. It must be possible to update the DocumentNodeStore to a
version that supports a newer format version, but writing in that version must
be postponed to a later point, when all cluster nodes have been upgraded.
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