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https://issues.apache.org/jira/browse/JCR-1375?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12578658#action_12578658
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Marcel Reutegger commented on JCR-1375:
---------------------------------------

I'd describe it as a performance *fix* ;)

If you enable support for highlighting in the query handler and upload 
documents where text is extracted, the query performance will drop 
significantly for hierarchy resolution. I've seen queries taking 10 or more 
seconds on a workspace with a reasonable amount of content. With this fix, the 
time drops to milliseconds.

> Limit fields read from index
> ----------------------------
>
>                 Key: JCR-1375
>                 URL: https://issues.apache.org/jira/browse/JCR-1375
>             Project: Jackrabbit
>          Issue Type: Improvement
>          Components: jackrabbit-core
>            Reporter: Marcel Reutegger
>            Priority: Minor
>             Fix For: core 1.4.2
>
>
> Reading a lucene document from the index should be limited to only those 
> fields that are necessary.

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