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From "Simon Willnauer (JIRA)" <j...@apache.org>
Subject [jira] Updated: (LUCENE-2694) MTQ rewrite + weight/scorer init should be single pass
Date Fri, 19 Nov 2010 16:55:14 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-2694?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Simon Willnauer updated LUCENE-2694:
------------------------------------

    Attachment: LUCENE-2694.patch

next iteration. This patch removes the term cache completely and exposes getTermState via
TermsEnum. Terms, TermsEnum and IndexReader can now obtain a DocEnum directly by passing in
a TermState.

I need to run some benchmarks on an index with several segments on a index with two segments
its just slightly faster...
mike do you have one ready?

> MTQ rewrite + weight/scorer init should be single pass
> ------------------------------------------------------
>
>                 Key: LUCENE-2694
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2694
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Search
>            Reporter: Michael McCandless
>            Assignee: Michael McCandless
>             Fix For: 4.0
>
>         Attachments: LUCENE-2694.patch, LUCENE-2694.patch
>
>
> Spinoff of LUCENE-2690 (see the hacked patch on that issue)...
> Once we fix MTQ rewrite to be per-segment, we should take it further and make weight/scorer
init also run in the same single pass as rewrite.

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