🌪️ Vortex

📚 Documentation | 📊 Performance Benchmarks

Overview

Vortex is a next-generation columnar file format and toolkit designed for high-performance data analytics. It provides:

⚡️ Blazing Fast Performance
- 100-200x faster random access reads (vs. modern Apache Parquet)
- 2-10x faster scans
- 5x faster writes
- Similar compression ratios
- Efficient support for wide tables with zero-copy/zero-parse metadata
🔧 Extensible Architecture
- Modeled after Apache DataFusion's extensible approach
- Pluggable encoding system
- Zero-copy compatibility with Apache Arrow
🗳️ Open Source, Neutral Governance
- A Linux Foundation (LF AI & Data) Project
- Apache-2.0 Licensed

🟢 Development Status: Library APIs may change from version to version, but we now consider the file format stable. All future releases of Vortex should be able to read files written by version 0.36.0 and later.

Key Features

Core Capabilities

✨ Logical Types - Clean separation between logical schema and physical layout
🔄 Zero-Copy Arrow Integration - Seamless conversion to/from Apache Arrow arrays
🧩 Extensible Encodings - Pluggable physical layouts with built-in optimizations
📦 Cascading Compression - Support for nested encoding schemes
🚀 High-Performance Computing - Optimized compute kernels for encoded data
📊 Rich Statistics - Lazy-loaded summary statistics for optimization

Technical Architecture

Logical vs Physical Design

Vortex strictly separates logical and physical concerns:

Logical Layer: Defines data types and schema
Physical Layer: Handles encoding and storage implementation
Built-in Encodings: Compatible with Apache Arrow's memory format
Extension Encodings: Optimized compression schemes (RLE, dictionary, etc.)

Quick Start

Installation

Rust Crate

All features are exported through the main vortex crate.

cargo add vortex

Python Package

uv add vortex-array

Command Line UI (vx)

For browsing the structure of Vortex files, you can use the vx command-line tool.

# Install latest release
cargo install vortex-tui --locked

# Or build from source
cargo install --path vortex-tui --locked

# Usage
vx browse <file>

Development Setup

Prerequisites (macOS)

# Optional but recommended dependencies
brew install flatbuffers protobuf  # For .fbs and .proto files
brew install duckdb               # For benchmarks

# Install Rust toolchain
curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
# or
brew install rustup

# Initialize submodules
git submodule update --init --recursive

# Setup dependencies with uv
uv sync --all-packages

Performance Optimization

For optimal performance, we suggest using MiMalloc:

#[global_allocator]
static GLOBAL_ALLOC: MiMalloc = MiMalloc;

Project Information

License

Licensed under the Apache License, Version 2.0.

Governance

Vortex is an independent open-source project and not controlled by any single company. The Vortex Project is a sub-project of the Linux Foundation Projects. The governance model is documented in CONTRIBUTING.md and is subject to the terms of the Technical Charter.

Contributing

See CONTRIBUTING.md for guidelines.

Reporting Vulnerabilities

If you discovery a security vulnerability, please email vuln-report@vortex.dev.

Trademarks

Acknowledgments 🏆

This project builds upon groundbreaking work from the academic and open-source communities:

Key Research Papers

BtrBlocks - Efficient columnar compression
FastLanes - High-performance integer compression
FSST - Fast random access string compression
ALP - Adaptive lossless floating-point compression
Procella - YouTube's unified data system
Cloud Object Storage Analytics - High-performance analytics
ClickHouse - Fast analytics for everyone

Open Source Inspiration

Thanks to all contributors who have shared their knowledge and code with the community! 🚀

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