[squid-users] measuring latency of squid in different scenarios

[Service MV]

Hi Rafal, if you wish I've a manual redacted in SPANISH for build a VM whit
Debian 10.5 running SQUID compiled from source, with kerberos and LDAP
authentication, plus AD groups authorizations.

I haven't had time to translate it into English yet.
Let me know if it works for you and I'll share it with you.

Best regards,
Gabriel




El lun., 28 sep. 2020 10:19, Rafał Stanilewicz <rst at fomar.com.pl> escribió:

> Hello,
>
> I'm planning the deployment of web proxy in my environment. It's not very
> big, around 80 typical windows 10 workstations, active directory, plus some
> DMZ servers. For now, there is very basic L7 inspection on the edge
> firewall.
>
> I plan to use two separate squid instances, one for explicit proxy
> traffic, forced by AD GPO settings, and second for traffic still being sent
> directly to the Internet (as several applications we use tend to ignore the
> system proxy settings). The first instance will use (hopefully) AD
> authentication, while the second will use only srcIP-based rules. I will be
> grateful for any comments, what should I focus on, or some quirks - I've
> never deployed squid from scratch.
>
> But my main point of writing is:
>
> I'd like to get some numbers about squid-introduced latency of getting
> some particular web resource. Is there any benchmarking program I could
> use? I'd like to see what is the current latency of getting the resource
> without any proxying, then of getting the same resource with explicit proxy
> settings, then of implicit (intercepting) proxy option, as well as for
> different options of caching.
>
> How should I start? Is there any software I can use to measure that,
> besides analysis of HAR files?
>
> So far, I used squid only in home environment, and without a need for
> granular measurement.
>
> Best regards,
>
> Rafal Stanilewicz
>
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