[+] Re: Breaking Varnish
niallo at metaweb.com
Wed Jan 28 19:36:18 CET 2009
On Wed, Jan 28, 2009 at 10:18:48AM -0800, Michael S. Fischer wrote:
> On Jan 28, 2009, at 10:04 AM, Niall O'Higgins wrote:
>>> This is a typical indication of raw overload, what levels of traffic
>>> are you hitting it with ?
>> This kind of thing:
>> Transaction rate: 3776.65 trans/sec
>> Throughput: 1.68 MB/sec
>> Concurrency: 28.28
> That doesn't seem that high. What OS/# CPUs are you using?
Varnish is running on a dual CPU (amd64) Linux 2.6 machine. We have
pushed it up to 6701 t/sec with multiple load-generation machines. We
see the same child-restart behaviour whether we use a single
load-generation machine, or three.
Metaweb Technologies, Inc.
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