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From "Marcel Reutegger (JIRA)" <j...@apache.org>
Subject [jira] Commented: (JCR-1375) Limit fields read from index
Date Fri, 14 Mar 2008 09:13:24 GMT

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

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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