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Apache Lucene open-source search software
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Alan Woodward 72ff140f5a
Don't let merged passages push out lower-scoring ones (#11990) 
PassageScorer uses a priority queue of size maxPassages to keep track of
which highlighted passages are worth returning to the user. Once all
passages have been collected, we go through and merge overlapping
passages together, but this reduction in the number of passages is not
compensated for by re-adding the highest-scoring passages that were pushed
out of the queue by passages which have been merged away.

This commit increases the size of the priority queue to try and account for
overlapping passages that will subsequently be merged together.
 		2022-12-01 12:25:29 +00:00
.github Update github actions to v3. (#11931) 2022-11-14 19:50:52 +01:00
buildSrc Add star import check/validation (#11949) 2022-11-18 16:42:59 +01:00
dev-docs a bit of clarification about GitHub Milestone 2022-08-28 13:52:58 +09:00
dev-tools No longer announce releases on general@l.a.o. (#11967) 2022-11-23 10:55:58 +01:00
gradle fix bad shift amounts and enable check (#11979) 2022-11-25 11:47:25 -05:00
help Add a note about gradle checks being possibly a subset of all validation checks. (#11966) 2022-11-23 12:19:28 +01:00
lucene Don't let merged passages push out lower-scoring ones (#11990) 2022-12-01 12:25:29 +00:00
.asf.yaml .asf.yaml 2022-08-16 20:02:47 +09:00
.dir-locals.el LUCENE-9322: Add Lucene90 codec, including VectorFormat 2020-10-18 07:49:36 -04:00
.git-blame-ignore-revs LUCENE-9570: code reformatting [record rev]. 2021-01-05 13:44:42 +01:00
.gitattributes LUCENE-10305: Ensure line endings of versions.props is LF 2021-12-11 10:10:44 +09:00
.gitignore LUCENE-9920: Remove binary gradle-wrapper.jar from the repository 2021-04-10 16:08:39 +02:00
.hgignore LUCENE-2792: add FST impl 2010-12-12 15:36:08 +00:00
.lift.toml Disable liftbot, we have our own tools 2022-05-05 22:27:57 +02:00
CONTRIBUTING.md Fix type in CONTRIBUTING.md (#11879) 2022-11-01 20:10:05 +00:00
LICENSE.txt LUCENE-10163 Move LICENSE and NOTICE file to top level (#388) 2021-10-18 01:24:11 +02:00
NOTICE.txt LUCENE-10613: Clean up outdated NOTICE.txt information concerning morfologik 2022-06-13 19:50:54 +02:00
README.md Allow building with java 18 now that gradle supports it (#11889) 2022-10-28 23:41:09 -04:00
build.gradle Implement source code regeneration for test-framework perl scripts (#11952) 2022-11-19 23:40:45 +01:00
gradlew jgit shouldn't fork git to find out the config dir (#11959) 2022-11-21 17:48:57 +01:00
gradlew.bat jgit shouldn't fork git to find out the config dir (#11959) 2022-11-21 17:48:57 +01:00
settings.gradle GH-11172: remove WindowsDirectory and native subproject. (#11774) 2022-09-15 16:22:46 +02:00
versions.lock #11720 Upgrade randomizedtesting to 2.8.1 (#11721) 2022-08-26 00:01:57 +02:00
versions.props Upgrade several build dependencies. (#11812) 2022-09-25 17:10:22 +02:00

README.md

Apache Lucene

Lucene Logo

Apache Lucene is a high-performance, full-featured text search engine library written in Java.

Build Status

Online Documentation

This README file only contains basic setup instructions. For more comprehensive documentation, visit:

Building

Basic steps:

  1. Install OpenJDK 17 or 18.
  2. Clone Lucene's git repository (or download the source distribution).
  3. Run gradle launcher script (gradlew).

We'll assume that you know how to get and set up the JDK - if you don't, then we suggest starting at https://jdk.java.net/ and learning more about Java, before returning to this README.

See Contributing Guide for details.

Contributing

Bug fixes, improvements and new features are always welcome! Please review the Contributing to Lucene Guide for information on contributing.

Discussion and Support