Marcel Reutegger created OAK-5207:
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Summary: Reduce reads in NodeDocument.getVisibleChanges()
Key: OAK-5207
URL: https://issues.apache.org/jira/browse/OAK-5207
Project: Jackrabbit Oak
Issue Type: Improvement
Components: core, documentmk
Reporter: Marcel Reutegger
Assignee: Marcel Reutegger
Fix For: 1.6
{{NodeDocument.getVisibleChanges()}} ensures visible changes are returned in
descending revision order. In some cases this requires merge sorting of changes
from different previous documents. The current implementation tries to avoid
the merge sort by looking at the ranges of the previous documents and switches
to a merge sort if they overlap. The implementation should be further optimized
to only merge sort the subset of ranges that overlap and not the entire set of
referenced previous document.
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