apache / apache/lucene

Shared Bottom Score Based Early Termination For Concurrent Search [LUCENE-8974]

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legacy-jira-priority:Major type:enhancement
Dominant language
Java
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Description

Following up to #9982, post collection of numHits, we should share a bottom score which can be used to globally filter hits and choose competitive hits

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Migrated from [LUCENE-8974](https://issues.apache.org/jira/browse/LUCENE-8974) by Atri Sharma (@atris)

Contributor guide

Open the contributing guide

Research direction

Start by reading the related issue #9982 and the concurrent search and post-collection behavior described here. Determine how numHits are collected and where a shared bottom score could globally filter hits and select competitive hits. Done means the concurrent search uses the shared score consistently, with behavior validated by appropriate search tests.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
search
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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