Vikas Saurabh created OAK-3372:
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Summary: Collapsing external events in BackgroundObserver even
before queue is full leads to JournalEntry not getting used
Key: OAK-3372
URL: https://issues.apache.org/jira/browse/OAK-3372
Project: Jackrabbit Oak
Issue Type: Improvement
Components: core
Affects Versions: 1.3.5
Reporter: Vikas Saurabh
BackgroundObserver currently merges external events if the last one in queue is
also an external event. This leads to diff being done for a revision pair which
is different from the ones pushed actively into cache during backgroud read
(using JournalEntry) i.e. diff queries for {{diff("/a/b", rA, rC)}} while
background read had pushed results of {{diff("/a/b", rA, rB)}} and
{{diff("/a/b", rB, rC)}}.
(cc [~mreutegg], [~egli], [~chetanm])
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