Search results

Add support for BM25's k3 parameter to query parsers

type:task

Status: Open.

#15768 In apache/lucene;

· jpountz opened on Feb 25, 2026

Should MAXSCOREBulkScorer sometimes apply filters after essential clauses.

Status: Open.

#15519 In apache/lucene;

· jpountz opened on Dec 23, 2025

Optimize filtering on the primary index sort field

type:task

Status: Open.

#15139 In apache/lucene;

· jpountz opened on Aug 29, 2025

Move long[] group varint to backward-codecs

good first issueGood for newcomersGood for newcomers

type:task

Status: Open.

#15113 In apache/lucene;

· jpountz opened on Aug 22, 2025

Seal the BitSet class

type:enhancement

Status: Open.

#15038 In apache/lucene;

· jpountz opened on Aug 8, 2025

·  

11.0.0

Should DocIdSetIterator#docID be final?

type:enhancement

Status: Open.

#14887 In apache/lucene;

· jpountz opened on Jul 1, 2025

Should we use the new expectedVisitedNodes estimator to speed up filtered vector search?

good first issueGood for newcomersGood for newcomers

type:enhancement

Status: Open.

#14845 In apache/lucene;

· jpountz opened on Jun 25, 2025

MMapDirectory.PRELOAD_HINT should also consider FileTypeHint.INDEX

discussionDiscussionDiscussion

type:enhancement

Status: Open.

#14650 In apache/lucene;

· jpountz opened on May 12, 2025

Reduce the number of classes extending DocIdSetIterator

Status: Open.

#14450 In apache/lucene;

· jpountz opened on Apr 7, 2025

TopFieldCollector mistakenly assumes that all leaves share the same index sort

Status: Open.

Bug

#14399 In apache/lucene;

· jpountz opened on Mar 24, 2025

Make multi-field search a first-class citizen

type:enhancement

Status: Open.

#14241 In apache/lucene;

· jpountz opened on Feb 14, 2025

How to configure TieredMergePolicy for very low segment count?

type:enhancement

Status: Open.

#14004 In apache/lucene;

· jpountz opened on Nov 20, 2024