HAProxy – Load Balancer

HAProxy is a free, fast, and reliable solution for high availability, load balancing, and proxying for TCP and HTTP-based applications. It powers some of the world’s highest-traffic websites.

Key Features

• Load Balancing: Multiple algorithms available
• Health Checks: Active and passive monitoring
• SSL Termination: Handle HTTPS at the proxy
• Rate Limiting: Connection and request limiting
• Statistics Dashboard: Real-time metrics

Installation

Install HAProxy on Ubuntu:

sudo apt update
sudo apt install haproxy
sudo systemctl enable haproxy

Usage Examples

Basic load balancer configuration:

frontend http_front
    bind *:80
    default_backend http_back

backend http_back
    balance roundrobin
    option httpchk GET /health
    server web1 192.168.1.10:80 check
    server web2 192.168.1.11:80 check
    server web3 192.168.1.12:80 check

Benefits

HAProxy delivers exceptional performance for traffic distribution. Its proven reliability and feature set make it the go-to choice for production load balancing.

Download HAProxy