Hi
Well, the performance and NTLM issues that I had with persistent
connections goes back to squid 3.5 đŸ˜³, so I never re-enabled it again on
new version, I'm using Squid 5.9 and 6.8 now.
If you tell me that now that persistent connections are more stable and
inclusive is recommended to be enabled by default to gain performance
and also speed up NTLM/Kerberos authentication, I will re-enable again
on my production servers.
Best Regards
On 16/05/2024 21:34, Alex Rousskov wrote:
On 17/05/24 02:23, Bolinhas André wrote:
Has I explain, by default I set those directives to off to avoid high
cpu consumption.
Just FYI: In this context, when you say "default", folks will tend to
think that you are talking about default Squid configuration setting
(i.e. something hard-coded in Squid code) rather than the actual thing
you are talking about (i.e. your custom Squid configuration).
I do not know whether disabling persistent connections reduces CPU
consumption in your environment. There are too many variables. In most
cases, including NTLM authentication cases detailed by Amos, disabling
persistent connections hurts performance, but there are always
exceptions (and bugs).
It is not clear (to me) whether you disable persistent connections
because they hurt performance in your environment OR you disable
persistent connections because _you assume_ (without evidence) that
they hurt performance in your environment.
If you do not know that disabling persistent connections reduces CPU
consumption in your environment, then you should not disable them
until you discover strong evidence that they hurt performance. At that
point, you can share that evidence and ask for configuration advice
based on that evidence.
HTH,
Alex.
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