Stefan Egli created OAK-10764:
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Summary: gap orphans improvement : only lookup greatest existing
ancestor, then cache
Key: OAK-10764
URL: https://issues.apache.org/jira/browse/OAK-10764
Project: Jackrabbit Oak
Issue Type: Task
Components: documentmk
Reporter: Stefan Egli
Assignee: Stefan Egli
Follow-up of OAK-10761 : to further improve gap vs non-gap orphan type
detection, lookup only the direct child of the greatest existing ancestor, then
cache that result. Upon further type detection, use that cache to start with.
That eliminates the tree traversal, plus using the cache should further limit
the number of lookups in the first place. The cache can be small (eg 64) and
assuming paths aren't excessive (say max 10k) the resulting memory usage would
still be small (eg 64k characters).
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