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From "Doug Cutting (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-1483) Change IndexSearcher to use MultiSearcher semantics for sorted searches
Date Tue, 09 Dec 2008 20:17:44 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-1483?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12654940#action_12654940
] 

Doug Cutting commented on LUCENE-1483:
--------------------------------------

> make a HitCollector that gathers the results into a single pqueue

That's good when everything's local, but bad when things are distributed.  If we movE RemoteSearchable
to contrib (as discussed in LUCENE-1314) then this may not be a problem, but we might still
leave hooks so that someone can write a search that uses a separate top-queue per remote segment.

> Change IndexSearcher to use MultiSearcher semantics for sorted searches
> -----------------------------------------------------------------------
>
>                 Key: LUCENE-1483
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1483
>             Project: Lucene - Java
>          Issue Type: Improvement
>    Affects Versions: 2.9
>            Reporter: Mark Miller
>            Priority: Minor
>         Attachments: LUCENE-1483.patch
>
>
> Here is a quick test patch. FieldCache for sorting is done at the individual IndexReader
level and reloading the fieldcache on reopen can be much faster as only changed segments need
to be reloaded.

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