Hello, While I’m not sure this is the correct place to post this, I said I’d give it a try, maybe there’s someone who can help: We’re given the following scenario: an ubuntu 20.04 (kernel 5.4.0-146-generic) with a fairly loaded HAProxy - 2.6.12-1ppa1~focal 2023/04/01 (140k max sessions with a 10k …

Could be openssl 3.0 related: [image] Openssl 3.x speed issues Help! Unfortunately there is no solution, other than to downgrade. Openssl 3.0 is extremely problematic for multi-threading loads, this has nothing to do with haproxy but with changes within openssl 3.0 itself…

Hello @lukastribus and thank you for taking the time to provide me with that answer. Still, a possible solution would be to actually run HAProxy inside a container using quictls, right? Thank you.

If quictls is based on openssl 1.1.1, then yes. If its based on 3.0.0 then no.

Ubuntu 22.04 performance

Help!

lukastribus April 4, 2023, 7:24pm 2

Could be openssl 3.0 related:

Topic		Replies	Views
Openssl 3.x speed issues Help!	4	2500	April 17, 2023
2.2.3 multiprocess -> 3.0.8 multithreaded TLS performance degradation Help!	18	500	May 7, 2025
HAProxy SSL Offloading high CPU usage on CentOS 7 Help!	2	2736	June 20, 2017
HAProxy SSL Offloading high CPU usage on CentOS 7 Help!	0	805	June 13, 2017
2.0.1 cpu Usage at near 100% after upgrade from 1.5 Help!	29	3844	August 17, 2020

Ubuntu 22.04 performance

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