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From "Marcel Reutegger (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (JCR-791) Improve performance of MatchAllScorer
Date Fri, 16 Mar 2007 14:11:09 GMT

     [ https://issues.apache.org/jira/browse/JCR-791?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Marcel Reutegger resolved JCR-791.
----------------------------------

       Resolution: Fixed
    Fix Version/s: 1.3

Committed the enhancement without the cache in MatchAllScorer. The performance improvement
is IMO sufficient enough with just the MultiScorer.

At revision: 518979

> Improve performance of MatchAllScorer
> -------------------------------------
>
>                 Key: JCR-791
>                 URL: https://issues.apache.org/jira/browse/JCR-791
>             Project: Jackrabbit
>          Issue Type: Improvement
>          Components: query
>            Reporter: Marcel Reutegger
>            Priority: Minor
>             Fix For: 1.3
>
>
> The BitSets created in MatchAllScorer should be cached per IndexReader. This enhancement
should also take care that the supplied IndexReader may in fact be a CombinedIndexReader or
a CachingMultiReader with multiple contained IndexReaders. To achieve a good cache efficiency
the BitSets must be cached per contained IndexReader and combined later.
> See also thread on dev list: http://thread.gmane.org/gmane.comp.apache.jackrabbit.devel/10976

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