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From "Marcel Reutegger (JIRA)" <j...@apache.org>
Subject [jira] Closed: (JCR-99) Introduce cache for frequently used index lookups
Date Mon, 11 Jul 2005 10:29:11 GMT
     [ http://issues.apache.org/jira/browse/JCR-99?page=all ]
     
Marcel Reutegger closed JCR-99:
-------------------------------


> Introduce cache for frequently used index lookups
> -------------------------------------------------
>
>          Key: JCR-99
>          URL: http://issues.apache.org/jira/browse/JCR-99
>      Project: Jackrabbit
>         Type: Improvement
>   Components: xpath
>  Environment: svn rev: 160385
>     Reporter: Marcel Reutegger

>
> Some queries heavily use hierarchy relations to resolve location steps. E.g. ChildAxisQuery
or DescendantSelfAxisQuery. Currently those hierarchy relations are looked up from the native
lucene index which is not very efficient. The index should maintain a cache of frequently
used hierarchy lookups. 
> That is, calls like IndexReader.termDocs() on terms with field: UUID or PARENT

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