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Posted to dev@lucene.apache.org by "David Smiley (JIRA)" <ji...@apache.org> on 2017/11/06 18:50:00 UTC

[jira] [Created] (LUCENE-8040) Optimize IndexSearcher.collectionStatistics

David Smiley created LUCENE-8040:
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             Summary: Optimize IndexSearcher.collectionStatistics
                 Key: LUCENE-8040
                 URL: https://issues.apache.org/jira/browse/LUCENE-8040
             Project: Lucene - Core
          Issue Type: Improvement
          Components: core/search
            Reporter: David Smiley
            Assignee: David Smiley
             Fix For: 7.2


{{IndexSearcher.collectionStatistics(field)}} can do a fair amount of work because with each invocation it will call {{MultiFields.getTerms(...)}}.  The effects of this are aggravated for queries with many fields since each field will want statistics, and also aggravated when there are many segments.



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