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Apache Lucene open-source search software
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Adrien Grand acbd714140
Further reduce the search concurrency overhead. (#13606) 
This iterates on #13546 to further reduce the overhead of search concurrency by
caching whether the hit count threshold has been reached: once the threshold
has been reached, it cannot get "un-reached" again, so we don't need to pay the
cost of `LongAdder#longValue`.
 		2024-07-24 14:58:53 +02:00
.github Java 22 has been released, so drop -ea from smoketester gh workflow matrix. 2024-06-06 15:45:27 +02:00
build-tools Correct the default checksum for artifacts to be sha512. #13484 2024-06-18 09:43:29 +02:00
dev-docs a bit of clarification about GitHub Milestone 2022-08-28 13:52:58 +09:00
dev-tools Add simple tool to diff entries in lucene's CHANGES.txt that should be identical (#12860) 2024-07-22 11:37:34 -04:00
gradle Gradle build: cleanup of dependency resolution and consolidation of dependency versions (#13484) 2024-06-17 09:49:21 +02:00
help Gradle build: cleanup of dependency resolution and consolidation of dependency versions (#13484) 2024-06-17 09:49:21 +02:00
lucene Further reduce the search concurrency overhead. (#13606) 2024-07-24 14:58:53 +02:00
.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 GITHUB#12655: Add google java format upgrade tidy / regen to blame ignore 2023-10-11 16:15:42 -04:00
.gitattributes Add versions.toml to .gitattributes and normalize line endings to lf. #13484 2024-06-18 14:25:40 +02:00
.gitignore LUCENE-9920: Remove binary gradle-wrapper.jar from the repository 2021-04-10 16:08:39 +02:00
.hgignore
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.lift.toml Disable liftbot, we have our own tools 2022-05-05 22:27:57 +02:00
CONTRIBUTING.md equivocate about IntelliJ test runner 2024-06-10 08:40:38 -04:00
LICENSE.txt LUCENE-10163 Move LICENSE and NOTICE file to top level (#388) 2021-10-18 01:24:11 +02:00
NOTICE.txt Cleanup NOTICE.txt (#12227) 2023-04-18 15:58:09 -04:00
README.md Make Gradle dashboard easy to find by adding a badge (#13476) 2024-07-01 09:09:51 +01:00
build.gradle Gradle build: cleanup of dependency resolution and consolidation of dependency versions (#13484) 2024-06-17 09:49:21 +02:00
gradlew Gradle build: cleanup of dependency resolution and consolidation of dependency versions (#13484) 2024-06-17 09:49:21 +02:00
gradlew.bat Gradle build: cleanup of dependency resolution and consolidation of dependency versions (#13484) 2024-06-17 09:49:21 +02:00
settings.gradle Gradle build: cleanup of dependency resolution and consolidation of dependency versions (#13484) 2024-06-17 09:49:21 +02:00
versions.lock Gradle build: cleanup of dependency resolution and consolidation of dependency versions (#13484) 2024-06-17 09:49:21 +02:00
versions.toml Add versions.toml to .gitattributes and normalize line endings to lf. #13484 2024-06-18 14:25:40 +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 Revved up by Develocity

Online Documentation

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

Building

Basic steps:

  1. Install OpenJDK 21.
  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.

Contributing

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

  • Additional Developer Documentation: dev-docs/

Discussion and Support