2 x quad-core system is slower that 2 x dual core on FreeBSD

Krassimir Slavchev krassi at bulinfo.net
Mon Nov 19 08:27:26 PST 2007


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Hi All,

What version of apache do you use and what are:
StartServers
MinSpareServers
MaxSpareServers
MaxClients

KeepAliveTimeout

settings in both configurations?

Best Regards

Alexey Popov wrote:
> Hi.
> 
> I have a large pool of web backends (Apache + mod_php5) with
> 2 x Xeon 3.2GHz processors and 2 x Xeon 5120 dual-core processors. The
> workload is mostly CPU-bound. I'm using 6-STABLE-amd64 and also tried
> 7-STABLE.
> 
> Now I'm trying to use new hardware with 2 x Xeon 5320 (quad-core), but
> it can not work under the same load as dual-core. It shows up to 80%
> system CPU load in top:
> 

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