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https://issues.apache.org/jira/browse/SOLR-15413?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mayya Sharipova updated SOLR-15413:
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Security: (was: Public)
> Speed up tag/exclude faceting
> -----------------------------
>
> Key: SOLR-15413
> URL: https://issues.apache.org/jira/browse/SOLR-15413
> Project: Solr
> Issue Type: Improvement
> Reporter: Joel Bernstein
> Priority: Major
>
> One of the major features Solr offers for e-commerce search is tag/exclude
> faceting. This feature currently requires that the main query be executed
> twice: Once for the matching/scoring phase and again for computing a DocSet
> that matches the tag/exclude filters. Executing the main query twice is fine
> as long as the main query is fast. But if the main query is heavy, executing
> it twice can be a performance bottleneck.
> This ticket will propose and hopefully implement a design that allows the
> main query to be run once when tag/exclude faceting is used.
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