[jira] [Commented] (LUCENE-10484) Add support for concurrent facets random sampling

["Luca Cavanna (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LUCENE-10484?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17513572#comment-17513572 ] 

Luca Cavanna commented on LUCENE-10484:
---------------------------------------

I am not sure why the PR is not getting linked to the jira issue, but here it is: https://github.com/apache/lucene/pull/765 

> 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
>
> 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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