Marcel Reutegger created OAK-9358:
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Summary: DocumentNodeStore may accumulate split candidates
Key: OAK-9358
URL: https://issues.apache.org/jira/browse/OAK-9358
Project: Jackrabbit Oak
Issue Type: Bug
Components: documentmk
Affects Versions: 1.38.0
Reporter: Marcel Reutegger
Fix For: 1.40.0
This is a regression introduced by OAK-9149. The split candidates in
DocumentNodeStore may contain document IDs that actually don't need to be
split. {{Commit#checkSplitCandidate()}} does a very quick check based on the
size of the document and then leaves it to the background update to perform
more thorough check and perform the split if necessary. As of OAK-9149, an ID
for a document that does not need to be split in the background update is not
removed from the split candidates and the background update checks it in every
cycle. It is also possible that distinct split candidates accumulate over time
and slow down the background operation significantly.
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