10 messages in ru.sysoev.nginxRe: optimization guidelines...
FromSent OnAttachments
Ilan BerknerJan 14, 2009 8:14 am 
Joe AstonJan 14, 2009 8:31 am 
Ilan BerknerJan 14, 2009 8:40 am 
Andrew ThorntonJan 14, 2009 8:40 am 
Olivier BonvaletJan 14, 2009 8:56 am 
Ilan BerknerJan 14, 2009 9:06 am 
Just MarcJan 14, 2009 10:30 am 
Ilan BerknerJan 14, 2009 10:54 am 
mikeJan 14, 2009 10:58 am 
luben karavelovJan 14, 2009 1:11 pm 
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Subject:Re: optimization guidelines...Actions...
From:luben karavelov (lub@unixsol.org)
Date:Jan 14, 2009 1:11:21 pm
List:ru.sysoev.nginx

Ilan Berkner wrote:

We are running 10. Is that to little or to much, how can you tell?

Below is a chart showing a snapshot of utilization which is what is killing the CPU:

My experience with perl fcgi application is that you get maximum throughput when the number of fcgi processes is between the number of cores and 2 times number of cores on the system. For example if you have 2 QuadCore Xeons , that means that you get max throughput between 8 and 16 fcgi proceesses.

I doubt that it will be very different with php+mysql.

Best regards