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<p>Hi</p>
<p>No, no cache is used.</p>
<p>Alex can you reply this please</p>
<p>
<blockquote type="cite"> Hi
<br>
Well, the performance and NTLM issues that I had with persistent
connections goes back to squid 3.5 😳, so I never re-enabled it
again on new version, I'm using Squid 5.9 and 6.8 now.
<br>
<br>
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.
</blockquote>
<br>
</p>
<p><br>
</p>
<div class="moz-cite-prefix">On 17/05/2024 14:42, Alex Rousskov
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:111c15a0-ef21-4c25-962b-593f9d1f0b0a@measurement-factory.com">On
2024-05-16 19:12, Jonathan Lee wrote:
<br>
<blockquote type="cite">What about using COSS file system?
<br>
</blockquote>
<br>
Squid does not support COSS cache_dirs since v3.5. If Squid in
question does disk caching, then rock cache_dirs may be the best
bet.
<br>
<br>
Alex.
<br>
<br>
<br>
<blockquote type="cite">
<blockquote type="cite">On May 16, 2024, at 15:10, Andre
Bolinhas wrote:
<br>
<br>
Hi
<br>
Well, the performance and NTLM issues that I had with
persistent connections goes back to squid 3.5 😳, so I never
re-enabled it again on new version, I'm using Squid 5.9 and
6.8 now.
<br>
<br>
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.
<br>
<br>
Best Regards
<br>
<br>
On 16/05/2024 21:34, Alex Rousskov wrote:
<br>
<blockquote type="cite">On 17/05/24 02:23, Bolinhas André
wrote:
<br>
<br>
<blockquote type="cite">Has I explain, by default I set
those directives to off to avoid high cpu consumption.
<br>
</blockquote>
<br>
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).
<br>
<br>
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).
<br>
<br>
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.
<br>
<br>
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.
<br>
<br>
<br>
HTH,
<br>
<br>
Alex.
<br>
</blockquote>
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</blockquote>
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