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HAProxy Forwards Over 2 Million HTTP Requests per Second on a Single Arm-based AWS Graviton2 Instance

HAProxy Forwards Over 2 Million HTTP Requests per Second on a Single Arm-based AWS Graviton2 Instance

Willy Tarreau Willy Tarreau | Apr 8, 2021 | BENCHMARKING, LOAD BALANCING / ROUTING

For the first time, a software load balancer exceeds 2-million RPS on a single Arm instance.   A few weeks ago, while I was working on an HAProxy issue related to thread locking contention, I found myself running some tests on a server with an 8-core, 16-thread...
The History of HAProxy

The History of HAProxy

Willy Tarreau Willy Tarreau | Nov 8, 2019 | LOAD BALANCING / ROUTING, TECH

Today, HAProxy is the world’s fastest and most widely used software load balancer. It’s responsible for providing high availability, security, and observability to some of the world’s highest trafficked websites. Many Site Reliability Engineers and...
Test Driving “Power of Two Random Choices” Load Balancing

Test Driving “Power of Two Random Choices” Load Balancing

Willy Tarreau Willy Tarreau | Feb 15, 2019 | BENCHMARKING, LOAD BALANCING / ROUTING, PERFORMANCE

The Power of Two Random Choices load-balancing algorithm has piqued some curiosity. In this blog post, we see how it stacks up against other modern-day algorithms available in HAProxy. Recently, I was asked twice about my opinion on supporting an algorithm known as...
Truly Seamless Reloads with HAProxy – No More Hacks!

Truly Seamless Reloads with HAProxy – No More Hacks!

Willy Tarreau Willy Tarreau | May 3, 2017 | DEVOPS, NEWS, TECH

Summary HAProxy Technologies’ R&D has released a patchset to enable seamless reloads of HAProxy without dropping packets in the process. The patchset has already been merged into the HAProxy 1.8 development branch and will soon be backported to HAProxy...
First HAProxy Workshop at Zenika Paris was a Success

First HAProxy Workshop at Zenika Paris was a Success

Willy Tarreau Willy Tarreau | Apr 12, 2016 | NEWS

HAProxy gets more and more contributors. That’s a good thing. There’s a side effect to this, which is that the maintainer (myself) spends quite some time reviewing submissions. I wanted to have the opportunity to exchange with various contributors to give...
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