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https://issues.apache.org/jira/browse/OAK-663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13593255#comment-13593255
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Jukka Zitting commented on OAK-663:
-----------------------------------

Will do, especially for larger changes. There are some smaller improvements 
(like the isMultiple() change I did in revision 1452203) for which a separate 
issue is probably overkill.
                
> oak-jcr performance optimization
> --------------------------------
>
>                 Key: OAK-663
>                 URL: https://issues.apache.org/jira/browse/OAK-663
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: jcr
>            Reporter: Jukka Zitting
>            Priority: Critical
>
> Currently oak-jcr does a lot of unnecessary work for various reasons. This is 
> a major drag on performance.
> For example, a getString() call on an already acquired PropertyImpl instance 
> (with no refresh() or other operations in between) requires 12 (!) 
> NodeBuilder.getProperty() calls to access that same property state over and 
> over again.

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