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https://issues.apache.org/jira/browse/OAK-4358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15308611#comment-15308611
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Marcel Reutegger commented on OAK-4358:
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Added a test (currently ignored): http://svn.apache.org/r1746342
> Stale cluster ids can potentially lead to lots of previous docs traversal in
> NodeDocument.getNewestRevision
> -----------------------------------------------------------------------------------------------------------
>
> Key: OAK-4358
> URL: https://issues.apache.org/jira/browse/OAK-4358
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: documentmk
> Reporter: Vikas Saurabh
> Assignee: Marcel Reutegger
> Fix For: 1.6, 1.4.4
>
>
> When some (actual test case and conditions still being investigated) of the
> following conditions are met:
> * There are property value changes from different cluster id
> * There are very old and stale cluster id (probably older incarnations of
> current node itself)
> * A parallel background split removes all _commitRoot, _revision entries such
> that the latest one (which is less that baseRev) is very old
> , finding newest revision traverses a lot of previous docs. Since root
> document gets split a lot and is a very common commitRoot (thus participating
> during checkConflicts in lot of commits), the issue can slow down commits by
> a lot
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