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From "Adrien Grand (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-3918) Port index sorter to trunk APIs
Date Mon, 04 Feb 2013 20:44:15 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-3918?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13570612#comment-13570612
] 

Adrien Grand commented on LUCENE-3918:
--------------------------------------

I didn't know about IndexSorter. It would be nice to have a codec wrapper that would override
all *Writer/Consumer.merge methods to make the merged segments sorted. This could help make
the I/O cache work happily with stored fields/term vectors and early terminate queries after
having visited min(maxBufferedDocs, numHits) documents without requiring the index to be read-only
nor to have to store a doc ID mapping in memory (but at a higher indexing/merging cost)?
                
> Port index sorter to trunk APIs
> -------------------------------
>
>                 Key: LUCENE-3918
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3918
>             Project: Lucene - Core
>          Issue Type: Task
>          Components: modules/other
>    Affects Versions: 4.0-ALPHA
>            Reporter: Robert Muir
>             Fix For: 4.2, 5.0
>
>         Attachments: LUCENE-3918.patch
>
>
> LUCENE-2482 added an IndexSorter to 3.x, but we need to port this
> functionality to 4.0 apis.

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