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Apache Lucene open-source search software
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Robert Muir deab699188
speed up javac and error-prone tasks by using less resources (#11927) 
* pass jvm args to javac  #11925
* Update net.ltgt.errorprone to the latest version so that jvm args are not overwritten, add -XX:+PrintFlagsFinal for debugging
* speed up the pure javac case too

It does not help to fork additional VMs (although error-prone will do
this since it messes with bootstrap classpath), so we avoid forking.

Instead it is best to tune org.gradle.jvmargs.

* use the flags consistently everywhere (tests and doc)

Co-authored-by: Dawid Weiss <dweiss@apache.org>
 		2022-11-15 19:04:17 -05:00
.github Update github actions to v3. (#11931) 2022-11-14 19:50:52 +01:00
buildSrc Allow building with java 18 now that gradle supports it (#11889) 2022-10-28 23:41:09 -04:00
dev-docs a bit of clarification about GitHub Milestone 2022-08-28 13:52:58 +09:00
dev-tools Update java version to 17 for Lucene 10 in the release wizard. (#11872) 2022-10-25 13:50:21 +02:00
gradle speed up javac and error-prone tasks by using less resources (#11927) 2022-11-15 19:04:17 -05:00
help speed up javac and error-prone tasks by using less resources (#11927) 2022-11-15 19:04:17 -05:00
lucene #10878: add some test verbosity on failure (#11935) 2022-11-15 14:20:04 -05:00
.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NOTICE.txt LUCENE-10613: Clean up outdated NOTICE.txt information concerning morfologik 2022-06-13 19:50:54 +02:00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 speed up javac and error-prone tasks by using less resources (#11927) 2022-11-15 19:04:17 -05:00
gradlew Allow building with java 18 now that gradle supports it (#11889) 2022-10-28 23:41:09 -04:00
gradlew.bat Allow building with java 18 now that gradle supports it (#11889) 2022-10-28 23:41:09 -04:00
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