Hitless Reloads with HAProxy – HOWTO

Our R&D department published a well-received blog post titled “Truly Seamless Reloads with HAProxy – No More Hacks!”. In it, we explained why some established connections could be dropped during reloads under high utilization, and how the problem has been solved...

Let’s Encrypt (ACMEv2) for HAProxy

HAProxy Technologies is proud to announce the availability of an integrated Let’s Encrypt ACMEv2 Lua client for HAProxy and HAProxy Enterprise Edition (HAPEE). HAPEE comes bundled with Lua support in a precompiled binary conveniently distributed using your Linux...

Multithreading in HAProxy

There are two possible ways to have HAProxy run on multiple CPU cores: By using the multiprocess model, where HAProxy automatically starts a number of separate system processes (method available since HAProxy version 1.1.7) By using the multithreading model, where...