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https://issues.apache.org/jira/browse/JCR-3870?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14486893#comment-14486893
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Joel Richard commented on JCR-3870:
-----------------------------------
This question made me thinking and I have checked it again. The ratio seems to
vary a lot depending on the page. On most pages it's around 60% existing items,
but there are exceptions. The optimisation will only apply to these 10-60%.
> Export SessionImpl#getItemOrNull in JackrabbitSession
> -----------------------------------------------------
>
> Key: JCR-3870
> URL: https://issues.apache.org/jira/browse/JCR-3870
> Project: Jackrabbit Content Repository
> Issue Type: Improvement
> Components: jackrabbit-api
> Affects Versions: 2.10
> Reporter: Joel Richard
> Priority: Critical
> Labels: performance
>
> getItemOrNull should be exported in JackrabbitSession. This would allow to
> combine itemExists and getItem in Sling which would reduce the rendering time
> by 8%.
> See the following mail thread for more information:
> http://mail-archives.apache.org/mod_mbox/jackrabbit-oak-dev/201504.mbox/%3CD1495A09.3B670%25anchela%40adobe.com%3E
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