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From "Mark Miller (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-1483) Change IndexSearcher to use MultiSearcher semantics for sorted searches
Date Tue, 09 Dec 2008 19:01:44 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-1483?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12654895#action_12654895
] 

Mark Miller commented on LUCENE-1483:
-------------------------------------

Ill bench again after this issue is polished up, but it looks like at 100 segments I am seeing
the 20% drop. I didn't see any drop at 6 segments in a retest.

Ill do some longer, more thought out benchmarks when the patch is in better shape.

> 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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