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https://issues.apache.org/jira/browse/OAK-3259?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marcel Reutegger resolved OAK-3259.
-----------------------------------
Resolution: Fixed
Introduced a new method {{NodeDocument.getAllChanges()}} which returns the
{{_revisions}} and {{_commitRoot}} revisions in descending order. The
implementation performs lazy loading of previous documents as needed.
Implemented in trunk: http://svn.apache.org/r1697373
> Optimize NodeDocument.getNewestRevision()
> -----------------------------------------
>
> Key: OAK-3259
> URL: https://issues.apache.org/jira/browse/OAK-3259
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: core, mongomk
> Reporter: Marcel Reutegger
> Assignee: Marcel Reutegger
> Labels: performance
> Fix For: 1.3.5
>
>
> Most of the time NodeDocument.getNewestRevision() is able to quickly identify
> the newest revision, but sometimes the code falls to a more expensive
> calculation, which attempts to read through available {{_revisions}} and
> {{_commitRoot}} entries. If either of those maps are empty, the method will
> go through the entire revision history.
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