[squid-users] Hyper-threading, SSD vs HDD, CentOS vs Ubuntu Server and best performer Squid version

[manuelfgarcia]

According to https://wiki.squid-cache.org/BestOsForSquid :
"CPU speed and core count:
few faster cores are better than many slow cores. SMP Squid can currently
operate most efficiently with 4-8 cores of 3GHz or more. multi-tenant
installations are better for machinery with very many cores.
only the physical cores are useful, hyper-threaded "cores" can actually be
worse.

Is that statement still up to date or is is it no longer the case from any
specific version of Squid?

Considering the statement that "hyper-threaded "cores" can actually be
worse.", what is supposed to handle faster and concurrent connections on
reverse proxy mode?:
- Intel Xeon X3430 (2.40GHz, 2,80 GHz turbo, 4 physical cores, 4 threads)
vs.
- Intel Xeon E3-1230-V6 3.40GHz (3.50 GHz, 3.90 GHz, 4 physical cores, 8
threads)

On another note, what is supposed to handle faster and more concurrent
connections on reverse proxy mode between these options?:

- SSD vs HDD

- CentOS 7 vs CentOS 6 vs Ubuntu Server 16.04 vs Ubuntu Server 18.04

- Squid 3.1 vs 3.5 vs 4.x...



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