Re: [squid-users] Re: how to use tproxy + iptables load balancing

From: Alex Rousskov <>
Date: Thu, 10 Oct 2013 10:05:59 -0600

On 10/10/2013 09:32 AM, Alex Rousskov wrote:
> On 10/10/2013 06:11 AM, Amos Jeffries wrote:
>> On 11/10/2013 12:13 a.m., Alfredo Rezinovsky wrote:
>>> El 10/10/13 05:07, Ding Guigeng escribió:
>>>> now my squid server running with 3 workers well.but the usage of per
>>>> core is uneven.
>>> The load balancing in the workers case is done by the kernel
>>> And yes, is't more distributed than "balanced"
>> It is load balanced by connection (TCP SYN packet).
> It is not in many kernels, unfortunately. This is discussed in detail at

Ignore my comment. Amos' comment is accurate, and the SmpScale imbalance
does not apply to this case.

I was confused by the "workers" terminology used in this thread instead
of "instances". To me, "workers" imply SMP, but the "Frontend Balancer
Alternative 1: iptables" setup discussed in this thread uses essentially
independent Squid instances rather than identically configured SMP
workers. Those independent instances can be implemented using an SMP
configuration with a workers directive, but I do not consider such an
implementation a supported use case (some do).

Sorry for the noise,

Received on Thu Oct 10 2013 - 16:06:02 MDT

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