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Apache Lucene open-source search software
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Luca Cavanna 10bebde269
Parallelize knn query rewrite across slices rather than segments (#12325) 
The concurrent query rewrite for knn vectory query introduced with #12160
requests one thread per segment to the executor. To align this with the
IndexSearcher parallel behaviour, we should rather parallelize across
slices. Also, we can reuse the same slice executor instance that the
index searcher already holds, in that way we are using a
QueueSizeBasedExecutor when a thread pool executor is provided.
 		2023-05-26 09:17:25 +02:00
.github Generate gradle.properties from gradlew (#12131) 2023-02-06 19:47:15 +01:00
buildSrc Implement MMapDirectory with Java 20 Project Panama Preview API (#12188) 2023-03-09 21:27:31 +01:00
dev-docs a bit of clarification about GitHub Milestone 2022-08-28 13:52:58 +09:00
dev-tools DOAP changes for release 9.6.0 2023-05-10 08:36:53 +01:00
gradle Handle jdk.internal classes mentioned in vector superclass or interfaces during extraction (#12329) 2023-05-25 17:21:03 +02:00
help Generate gradle.properties from gradlew (#12131) 2023-02-06 19:47:15 +01:00
lucene Parallelize knn query rewrite across slices rather than segments (#12325) 2023-05-26 09:17:25 +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 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 Cleanup NOTICE.txt (#12227) 2023-04-18 15:58:09 -04:00
README.md Allow building with java 18 now that gradle supports it (#11889) 2022-10-28 23:41:09 -04:00
build.gradle Integrate the Incubating Panama Vector API (#12311) 2023-05-25 07:59:50 +01:00
gradlew Generate gradle.properties from gradlew (#12131) 2023-02-06 19:47:15 +01:00
gradlew.bat Generate gradle.properties from gradlew (#12131) 2023-02-06 19:47:15 +01:00
settings.gradle GH-11172: remove WindowsDirectory and native subproject. (#11774) 2022-09-15 16:22:46 +02:00
versions.lock remove non-NRT replication support (#12038) 2023-01-14 11:14:46 -05:00
versions.props Upgrade to errorprone 2.18 (#12086) 2023-01-14 14:39:23 -05:00

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