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https://issues.apache.org/jira/browse/LUCENE-3893?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14580555#comment-14580555
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Michael McCandless commented on LUCENE-3893:
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I also tested AutomatonTermsEnum (disable BlockTree's Terms.intersect impl) but
it's even slower ... ~8100 msec.
> TermsQuery should use AutomatonQuery or Terms.intersect
> -------------------------------------------------------
>
> Key: LUCENE-3893
> URL: https://issues.apache.org/jira/browse/LUCENE-3893
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Michael McCandless
> Labels: gsoc2014
>
> I think we could see perf gains if TermsFilter sorted the terms, built a
> minimal automaton, and used TermsEnum.intersect to visit the terms...
> This idea came up on the dev list recently.
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