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https://issues.apache.org/jira/browse/LUCENE-10484?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17517252#comment-17517252
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ASF subversion and git services commented on LUCENE-10484:
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Commit 7ed0f3d7adb5654e5bc1be024b47f589bae1ed55 in lucene's branch
refs/heads/main from Luca Cavanna
[ https://gitbox.apache.org/repos/asf?p=lucene.git;h=7ed0f3d7adb ]
LUCENE-10484: Add support for concurrent facets random sampling (#765)
This commit adds a new createManager static method to
RandomSamplingFacetsCollector that allows users to perform random sampling
concurrently. The returned collector manager is very similar to the existing
FacetsCollectorManager but it exposes a specialized reduced
RandomSamplingFacetsCollector.
This relates to
[LUCENE-10002](https://issues.apache.org/jira/browse/LUCENE-10002). It allows
users to use a collector manager instead of a collector when doing random
sampling, in the effort of reducing usages of IndexSearcher#search(Query,
Collector).
> 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
> 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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