RE: [squid-users] Re: RPS

Good numbers. I believe that it would be very beneficial to the community if you wouldn't mind sharing the kernel tweaks and squid tweaks that you used to achieve these numbers.

Thanks,

Josh

-----Original Message-----
From: GarethC [mailto:gareth_at_garethcoffey.com]
Sent: Tuesday, March 20, 2012 12:26 PM
To: squid-users_at_squid-cache.org
Subject: [squid-users] Re: RPS

Hi there,

As an example, I set up Squid 2.7 on a HP BL460c (4x Quad-core CPU, 24GB
RAM) with Redhat 5 running bonded NICs over a 2x 2G port channel to a Cisco
6509. It took several days of testing to get the Kernel tuned to be able to
handle a high rate of connections (things like tcp_max_syn_backlog,
tcp_tw_recycle, tcp_rmem, tcp_fin_timeout etc).
Squid was also tuned to maximise use of memory, as opposed to disk cache.

The maximum sustained connections achieved was in the region of ~2,000 conns
per second, and equated to ~980Mbps for a single server. The content that
was being requested was purely static html and images.

Hope that gives you some sort of view as to what is achievable.

Gareth

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