On 15.06.2010 22:48, Rahul Bansal wrote:
> @jabberuser
>> I recommend have few more workers than number of cores. On one of my
>> overloaded dual core server I changed 2 worksers to 6, this reduced a
>> lot IOwait and fixed latency problem when using site which is on this
>> server. Play a bit with it to found best for you number of workers.
>
> Thanks for suggestions.
> I may go you way just in case fastcgi_cache in nginx improves my
> performance.
> In that case I will reduce value of PHP_FCGI_CHILDREN to offset it.

I have there 6 nginx workers and 10 php childrens, restarted after 100
request each
PHP_FCGI_CHILDREN=10
PHP_FCGI_MAX_REQUESTS=100

Php use ~22M of ram
16.5 MiB + 5.4 MiB = 21.9 MiB php-cgi (11)
And nginx ~5M
2.9 MiB + 1.4 MiB = 4.4 MiB nginx (7)
(base on ps_mem.py script).

nginx workers is one thing and php another. You host only php or also
static files?

-- Piotr.

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