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https://issues.apache.org/jira/browse/LUCENE-10606?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17552542#comment-17552542
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Kaival Parikh edited comment on LUCENE-10606 at 6/13/22 6:10 AM:
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Sure, Thank you! I have created a
[PR|https://github.com/apache/lucene/pull/951] now
was (Author: JIRAUSER289654):
Sure, Thank you! I have created a PR now
> Optimize hit collection of prefilter in KnnVectorQuery for BitSet backed
> queries
> --------------------------------------------------------------------------------
>
> Key: LUCENE-10606
> URL: https://issues.apache.org/jira/browse/LUCENE-10606
> Project: Lucene - Core
> Issue Type: Improvement
> Components: core/search
> Reporter: Kaival Parikh
> Priority: Minor
> Labels: performance
> Time Spent: 10m
> Remaining Estimate: 0h
>
> While working on this [PR|https://github.com/apache/lucene/pull/932] to add
> prefilter testing support, we saw that hit collection took a long time for
> BitSetIterator backed scorers (due to iteration over the entire underlying
> BitSet, and copying it into an internal one)
> These BitSetIterators can be frequent (as they are used in LRUQueryCache),
> and bulk collection can be optimized with more knowledge of the underlying
> iterator
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