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From "Uwe Schindler (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-2127) Improved large result handling
Date Tue, 21 Sep 2010 17:21:36 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-2127?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12913096#action_12913096
] 

Uwe Schindler commented on LUCENE-2127:
---------------------------------------

Grant: In your latest patch, the collector seems to ignore docBase (or the next IndexReader),
so the whole thing only works with optimized indexes. It should simply store the base doc
and add it on new ScoreDoc.

> Improved large result handling
> ------------------------------
>
>                 Key: LUCENE-2127
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2127
>             Project: Lucene - Java
>          Issue Type: New Feature
>          Components: Search
>            Reporter: Grant Ingersoll
>            Assignee: Grant Ingersoll
>            Priority: Minor
>         Attachments: LUCENE-2127.patch, LUCENE-2127.patch
>
>
> Per http://search.lucidimagination.com/search/document/350c54fc90d257ed/lots_of_results#fbb84bd297d15dd5,
it would be nice to offer some other Collectors that are better at handling really large number
of results.  This could be implemented in a variety of ways via Collectors.  For instance,
we could have a raw collector that does no sorting and just returns the ScoreDocs, or we could
do as Mike suggests and have Collectors that have heuristics about memory tradeoffs and only
heapify when appropriate.

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