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Posted to dev@lucene.apache.org by "Michael McCandless (JIRA)" <ji...@apache.org> on 2016/02/26 19:41:18 UTC
[jira] [Commented] (LUCENE-7051) Remove the "estimate match count"
optimization from point queries
[ https://issues.apache.org/jira/browse/LUCENE-7051?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15169502#comment-15169502 ]
Michael McCandless commented on LUCENE-7051:
--------------------------------------------
OK +1 to remove!
> Remove the "estimate match count" optimization from point queries
> -----------------------------------------------------------------
>
> Key: LUCENE-7051
> URL: https://issues.apache.org/jira/browse/LUCENE-7051
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Adrien Grand
> Assignee: Adrien Grand
> Priority: Minor
> Attachments: LUCENE-7051.patch
>
>
> Point queries try to estimate the number of matches in the visitor so that the doc id set that they build does not have to do it by itself. However, this is incorrect in the multi-valued case and does not seem to buy much (if any) in terms of performance?
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