UltraBalancer

Production-grade, high-performance load balancer written in Rust. Capable of 500K+ requests per second.

Installation

Quick Install (Recommended)

curl -L https://package.ultrabalancer.com/install.sh | bash

From Source

cargo install ultrabalancer

Or build from source:

cargo build --release

Quick Start

ultrabalancer start round-robin 10.0.1.10:8080 10.0.1.11:8080

With config file:

ultrabalancer -c config.yaml

Package Server

Self-hosted package distribution at package.ultrabalancer.com

Available packages:

• Linux x86_64
• Linux ARM64
• macOS x86_64
• macOS ARM64 (Apple Silicon)
• Windows x86_64

Documentation

Full documentation available at docs.ultrabalancer.com

Performance

Hardware	Requests/sec	Avg Latency	P99 Latency
Apple M4 Pro	~850,000	0.12ms	0.45ms
Apple M2	~620,000	0.18ms	0.68ms
Apple M1	~580,000	0.21ms	0.75ms
Intel i5-12400	~420,000	0.28ms	0.95ms
RTX 2050 Laptop	~380,000	0.32ms	1.10ms

Benchmark: 10,000 concurrent connections, 30s duration

Features

• Multiple algorithms: Round Robin, Least Connections, IP Hash, Random, Weighted
• Health checking with automatic failover
• Real-time metrics at /metrics and /health
• Admin API for dynamic backend management
• Async Tokio runtime for maximum performance

Links

• Website: ultrabalancer.com
• Package Server: package.ultrabalancer.com
• Docs: docs.ultrabalancer.com
• Contact: [email protected]
• GitHub: github.com/bas3line/ultrabalancer

License

MIT License - see LICENSE file.