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https://issues.apache.org/jira/browse/LUCENE-8791?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16848355#comment-16848355
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Elbek Kamoliddinov commented on LUCENE-8791:
--------------------------------------------
{quote}
I understand how ML models can be costly to build, but running them against a
small set of hits should perform reasonably fast
{quote}
Sometimes this set is not that small, Documents may be enriched during indexing
time, hence too many may match. We do early termination when we have to many
results, but still this upper bound is bit costly when running sequential. We
tested whole query running pipeline running a query per thread and had mixed
results, but overall multi threaded querying serving offered better result.
> Add CollectorRescorer
> ---------------------
>
> Key: LUCENE-8791
> URL: https://issues.apache.org/jira/browse/LUCENE-8791
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Elbek Kamoliddinov
> Priority: Major
> Attachments: LUCENE-8791.patch, LUCENE-8791.patch, LUCENE-8791.patch
>
>
> This is another implementation of query rescorer api (LUCENE-5489). It adds
> rescoring functionality based on provided CollectorManager.
>
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