Category: Lucene
Articles tagged Lucene
Lucene Wrapped 2024
2024 has been another major year for Apache Lucene. In this blog, we’ll explore the key highlights.
Lucene bug adventures: Fixing a corrupted index exception
Sometimes, a single line of code takes days to write. Here, we get a glimpse of an engineer's pain and debugging over multiple days to fix a potential Apache Lucene index corruption.
Smokin' fast BBQ with hardware accelerated SIMD instructions
How we optimized vector comparisons in BBQ with hardware accelerated SIMD (Single Instruction Multiple Data) instructions.
Better Binary Quantization (BBQ) vs. Product Quantization
Why we chose to spend time working on Better Binary Quantization (BBQ) instead of product quantization in Lucene and Elasticsearch.
Better Binary Quantization (BBQ) in Lucene and Elasticsearch
How Better Binary Quantization (BBQ) works in Lucene and Elasticsearch.
RaBitQ binary quantization 101
Understand the most critical components of RaBitQ binary quantization, how it works and its benefits. This guide also covers the math behind the quantization and examples.
Apache Lucene 10 is out! Improvements to Lucene's hardware efficiency & more
Apache Lucene 10 has been released, with a focus on hardware efficiency! Check out the main release highlights.
Elasticsearch vs. OpenSearch: Vector Search Performance Comparison
Elasticsearch is out-of-the-box 2x–12x faster than OpenSearch for vector search
Understanding Int4 scalar quantization in Lucene
This blog explains how int4 quantization works in Lucene, how it lines up, and the benefits of using int4 quantization.
Making Lucene faster with vectorization and FFI/madvise
Discover how modern Java features, including vectorization and FFI/madvise, are speeding up Lucene's performance.
Speeding up multi-graph vector search
Explore multi-graph vector search in Lucene and discover how sharing information between segment searches enhances search speed.
