[dnsdist] dnsdist 1.7.4 Debian Bullseye vs 1.8.4 Bullseye

Aleš Rygl ales at rygl.net
Mon Sep 25 14:09:43 UTC 2023


Ah, I am sorry, the subject should be  1.7.4 Debian Bullseye vs 1.8.1 
Bookworm. I am running 1.8.1 on Bookworm...
Ales

On 25. 09. 23 16:01, Aleš Rygl via dnsdist wrote:
> Hello,
>
>     I would to kindly ask for help or and advice. I have just upgraded 
> one of our dnsdist instances from 1.7.4 do 1.8.4 together with OS 
> upgrade (Debian 11.7 to 12.1). Everything works fine, no issues 
> observed apart some deprecated config references. What is a big 
> surprise to me is CPU usage. The newer version has nearly two times 
> higher CPU consumption in userspace. I am nearly at 80% CPU with 16 
> physical cores (was about 40%). We have a lot of TLS (DoT) sessions 
> (30k) and 60kqps in total (30k via DoT) here. The latency measured by 
> dnsdist went up also. We are collecting all the metrics dnsdist 
> produces via graphite so I can check counters, what could be wrong.
>
>     Thanks in advance
>
> With best regards
>
> Ales
>
>
>
>
> _______________________________________________
> dnsdist mailing list
> dnsdist at mailman.powerdns.com
> https://mailman.powerdns.com/mailman/listinfo/dnsdist


More information about the dnsdist mailing list