Knowledge Base | Load Balancing/Routing

What Is Load Balancing

What Is Load Balancing

Load balancing means splitting up network traffic so that you can distribute it evenly across a group of backend servers. For example, if you run two web servers, both hosting a copy of the same website, then you can balance the traffic across them, sending half to...

Announcing HAProxy 2.5

Announcing HAProxy 2.5

Register for our live webinar to learn more about this release. HAProxy 2.5 is now available! It adds improvements to a number of areas including better usability around setting variables, more descriptive error reporting and logging, and enhanced HTTP and WebSocket...

HAProxy 2.5 Feature Roundup

HAProxy 2.5 Feature Roundup

HAProxy 2.5 is now available! Join this session to learn about the changes. This version of HAProxy improves a number of features, including: full support for managing servers dynamically using the Runtime API SSL/TLS enhancements, including support for OpenSSL 3.0...

Willy Tarreau on HAProxy at Its 20-Year Anniversary

Willy Tarreau on HAProxy at Its 20-Year Anniversary

Willy Tarreau, the founder of the HAProxy load balancer, 20 years past its initial, open source release, still guides the project, often submitting code patches and writing long and meticulous replies on the community forum. Over the years, he has been joined by a...

How to Enable Health Checks in HAProxy

How to Enable Health Checks in HAProxy

HAProxy provides active, passive, and agent health checks.   HAProxy makes your web applications highly available by spreading requests across a pool of backend servers. If one or even several servers fail, clients can still use your app as long as there are...

Testing Your HAProxy Configuration

Testing Your HAProxy Configuration

Learn how to test your HAProxy Configuration. Properly testing your HAProxy configuration file is a simple, yet crucial part of administering your load balancer. Remembering to run one simple command after making a change to your configuration file can save you from...

The HAProxy APIs

The HAProxy APIs

The HAProxy load balancer provides a set of APIs for configuring it programmatically.   Although many people enjoy the simplicity of configuring their HAProxy load balancer by directly editing its configuration file, /etc/haproxy/haproxy.cfg, others want a way to...

How to Run HAProxy with Docker

How to Run HAProxy with Docker

  Can you run HAProxy as a Docker container? Yes! Did you even need to ask? Docker is ubiquitous these days and you'll find that many applications have been Docker-ized; the HAProxy load balancer is no exception. Pardon the cliché, but HAProxy was born for this....

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