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Posted to dev@lucene.apache.org by "David Smiley (JIRA)" <ji...@apache.org> on 2017/11/15 14:03:00 UTC
[jira] [Resolved] (LUCENE-8040) Optimize
IndexSearcher.collectionStatistics
[ https://issues.apache.org/jira/browse/LUCENE-8040?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
David Smiley resolved LUCENE-8040.
----------------------------------
Resolution: Fixed
Fix Version/s: (was: 7.2)
master (8.0)
Good. Thanks for the review/feedback!
> 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: master (8.0)
>
> Attachments: LUCENE-8040.patch, LUCENE-8040.patch, MyBenchmark.java, lucenecollectionStatisticsbench.zip
>
>
> {{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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