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https://issues.apache.org/jira/browse/LUCENE-10555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17534290#comment-17534290
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ASF subversion and git services commented on LUCENE-10555:
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Commit f431511cb7128d1ff706b3072c619b6dd8c1e91f in lucene's branch
refs/heads/main from xiaoping
[ https://gitbox.apache.org/repos/asf?p=lucene.git;h=f431511cb71 ]
LUCENE-10555: avoid NumericLeafComparator#iteratorCost repeated initialization
when NumericLeafComparator#setScorer is called (#864)
> avoid repeated NumericLeafComparator setScorer calls
> ----------------------------------------------------
>
> Key: LUCENE-10555
> URL: https://issues.apache.org/jira/browse/LUCENE-10555
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: jianping weng
> Priority: Major
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> ElasticSearch use CancellableBulkScorer to fast cancel long time query
> execution by dividing one segment docs to many small split docs. For every
> split docs, collector.setScorer(scorer) is called, then
> NumericLeafComparator#setScorer is called. As a result, for one segment,
> NumericLeafComparator#setScorer is called many times.
> Every time NumericLeafComparator#setScorer is called, the
> NumericLeafComparator#iteratorCost is reset to the Scorer.cost and increase
> many unnecessary pointValues#intersect calls to get competitive docs.
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