Runnable harness and checklist for validating Solr/Lucene major-version upgrades in ranking- and ML-critical systems. Quantifies semantic drift, rank churn, score drift, and migration risk.

MCP server for Apache Solr integration

Full text search that feels like a numpy array

Awesome Search - this is all about the (e-commerce, but not only) search and its awesomeness

ClickBench: a Benchmark For Analytical Databases

Self-contained worked examples of Apache Lucene features and functionality

Dynamic dependency injection framework

A controlled concurrency testing framework for the JVM

A Java (NIO2) FileSystem Provider for Amazon AWS S3.

🪵 logchange is a tool which helps creating CHANGELOG by keeping one format and solving merge request conflicts problem by extraction of new CHANGELOG entries to separate files

Sampling CPU and HEAP profiler for Java featuring AsyncGetCallTrace + perf_events

Apache Solr open-source search software

Dependency checker and lock file aggregator

CuVS integration for Lucene

JVector: the most advanced embedded vector search engine

A script to probabilistically determine the number of rows to fetch from each Solr Shard based on the configuration

Apache Solr - S3A Testing

🔥 Command-line tool to delete merged Git branches

A static analyzer for Java, C, C++, and Objective-C

Yuvi is an in-memory storage engine for recent time series metrics data.

Repository for DIH (Document Import Handler)

Apache Solr open-source search software plugin modules sandbox

the official Rust and C implementations of the BLAKE3 cryptographic hash function

Flight rules for git

Highlighting various OCR formats directly in Solr

OpenTracing API for Java. 🛑 This library is DEPRECATED! https://github.com/opentracing/specification/issues/163

Java distributed tracing implementation compatible with Zipkin backend services.

Apache Lucene open-source search software