Help me test and verify my config
jamesmikedupont at googlemail.com
Sun Jun 24 06:49:11 UTC 2012
so what is your question?
On Sun, Jun 24, 2012 at 12:23 AM, bp1000 <nginx-forum at nginx.us> wrote:
> Nginx community, i've recently switched to this awesome software which
> has performed admirably under load testing.
> I host a php/mysql driven site that with each page view serves results
> from multiple external xml feeds in realtime. Once we have the XML data
> we cache results to reduce load.
> I run nginx / php5-fpm / memcache and APC. Site gets > 100,000 searches
> per day. Each query takes between 1 and 4 seconds depending on the
> search. So as you can imagine the processes don't open and close as
> quickly as some more basic php sites. Server load is around 3 average
> for a quad core box. So OK...
> But i wanted your expert opinion on how to check, test and verify my
> config params for nginx and php5-fpm. I want to be 100% sure i haven't
> allocated too many processes. So without pasting my entire config, i
> will show just the bits i'm concerned i wish to check with you guys.
> php5-fpm tweaks
> Concerns - is max_children / start servers too high? Would they take up
> CPU processes wasting resources?
> pm = dynamic
> pm.max_children = 30
> pm.start_servers = 15
> pm.min_spare_servers = 5
> pm.max_spare_servers = 30
> pm.max_requests = 511
> listen.backlog = 1024
> Worker_processes 4
> worker_connections 8192
> Concerns - is my fastcgi_buffers too much? The reason why i set them
> high is that each XML result can contain a lot of data.
> fastcgi_connect_timeout 60;
> fastcgi_send_timeout 180;
> fastcgi_read_timeout 180;
> fastcgi_buffer_size 128k;
> fastcgi_buffers 256 16k;
> fastcgi_busy_buffers_size 256k;
> fastcgi_temp_file_write_size 256k;
> Even under load, memory usage only reaches about 45% so perhaps i'm
> wasting an opportunity to cache more things in memory.
> Thank you
> Posted at Nginx Forum: http://forum.nginx.org/read.php?2,227820,227820#msg-227820
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James Michael DuPont
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