Chetan Mehrotra created OAK-6240:
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Summary: Sidegrade support for DocumentNodeStore to Secondary
NodeStore
Key: OAK-6240
URL: https://issues.apache.org/jira/browse/OAK-6240
Project: Jackrabbit Oak
Issue Type: New Feature
Components: documentmk, upgrade
Reporter: Chetan Mehrotra
Assignee: Tomek Rękawek
Fix For: 1.8
Seondary NodeStore feature (OAK-4180) currently creates the secondary NodeStore
upon initialization. This may take long time for existing repo. To simplify
that we should add support in sidegrade to migrate an existing
DocumentNodeStore setup to Secondary NodeStore
This would also allow us to use the sidegraded repository as a clone of
existing repository with the advantage that it would support incremental
updates. Currently if a repository is cloned it does not support incremental
update as NodeState comparison is done based on default implementation (actual
comparison) as it cannot make use of recordId or revision to optimize the diff
to determine trees which are not changed between source and target
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