What about using COSS file system? 
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> On May 16, 2024, at 15:10, Andre Bolinhas <andre.bolin...@articatech.com> 
> wrote:
> 
>  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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