Csaba Varga created SLING-12266:
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Summary: Cache initial repository state to improve JCR_OAK
performance
Key: SLING-12266
URL: https://issues.apache.org/jira/browse/SLING-12266
Project: Sling
Issue Type: Improvement
Components: Testing
Affects Versions: Testing Sling Mock 3.4.18
Reporter: Csaba Varga
A lot of effort goes into preparing an Oak Mock repository from scratch: node
types need to be registered, indexes need to be created, and all this happens
over several commits. None of this work depends on the test case itself, so it
will always result in the exact same repository state. We could take the root
NodeState from the first repository we build, then build subsequent
repositories on top of it, avoiding most of the redundant work. Commits can be
relatively expensive even in memory, so each one we avoid can save a lot of
time in the long term.
This would require extending the contract between Testing Sling Mock and the
ResourceResolverTypeAdapters, to add optional "make snapshot" and "build repo
from snapshot" operations. For adapters that don't support them, we would keep
rebuilding things from scratch.
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