Re: [squid-users] Massive Squid Deployment

From: Amos Jeffries <squid3_at_treenet.co.nz>
Date: Wed, 1 Apr 2009 16:42:32 +1200 (NZST)

>
> Hello people, I'm having some bottlenecks on our squid deployement and I
> was
> wondering if anyone had any recommendations because I'm near out of ideas.
> Would someone change my architecture or does anyone have any experience
> with
> a squid deployment of this size? Basically we are pushing 600mb at
> 240,000k
> connections. When we reach speeds on our around that that number, we start
> seeing slow performance and getting alot of page timeouts. We are running
> 20
> squid 2.6 boxes running dsr behind a single foundry gte load balancer. I
> recently had 18 squid boxes and thought we had a squid bottleneck but no
> change. I was kinda leaning in the direction of splitting it in half and
> doing multiple load balancers. Does anyone have any experience pushing
> this
> much traffic?

I'd go to 2.7 if it was squid being slow. It has a number of small
performance boosters missing in 2.6.

But, it does sound like a load balancer bottleneck if you had zero change
from adding two more Squid. The Yahoo and Wikimedia guys are the poster
installs for these types of Squid deployment and they use CARP meshing.

PS: We are very interested in getting some real-world benchmarks from
high-load systems like yours. Can you grab the data needed for
http://wiki.squid-cache.org/KnowledgeBase/Benchmarks ?

Amos
Received on Wed Apr 01 2009 - 03:42:36 MDT

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