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https://issues.apache.org/jira/browse/LUCENE-8040?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Smiley updated LUCENE-8040:
---------------------------------
Attachment: LUCENE-8040.patch
Updated patch to fix a mistake I discovered while investigating some test
failures. I had written {{=\+}} instead of {{\+=}} -- nasty! I've tweaked my
IntelliJ inspection settings to alert me to this.
I'll commit later this week if I don't hear further 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: 7.2
>
> 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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