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https://issues.apache.org/jira/browse/LUCENE-10484?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Adrien Grand resolved LUCENE-10484.
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Fix Version/s: 9.2
Resolution: Fixed
> Add support for concurrent facets random sampling
> -------------------------------------------------
>
> Key: LUCENE-10484
> URL: https://issues.apache.org/jira/browse/LUCENE-10484
> Project: Lucene - Core
> Issue Type: Improvement
> Components: modules/facet
> Reporter: Luca Cavanna
> Priority: Minor
> Fix For: 9.2
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> While FacetsCollectorManager exists to allows users to concurrently do facets
> collection through FacetsCollector, RandomSamplingFacetsCollector does not
> have a corresponding collector manager that easily allows users to
> concurrently do random sampling. The needed collector manager would be very
> similar to FacetsCollectorManager, yet it would need to expose a specialized
> reduced RandomSamplingFacetsCollector, and the reduction should call
> getOriginalMatchingDocs instead of getMatchingDocs, which modifies the
> internal totalHits when called.
> This relates to LUCENE-10002 and would allow to use a collector manager
> instead of a collector when doing random sampling, in the effort of reducing
> usages of IndexSearcher#search(Query, Collector).
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