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Possible Duplicate:
Can you help me with my capacity planning?

We're about to launch a huge website, expecting a HUGE traffic especially in the first few weeks. It will be a Joomla CMS based community website. We expect 20k-50k unique visits each day. Usually pages make 25-35 mysql queries, but there are some with even 140 where Max memory usage is about 20-25MB.

Please can you look at this config and make some comments and suggestions. This I've tested using ab -n 500 -c 10 but my concern is that it's not a real benchmarking.

  • 2 x Intel X5650 Processor (total 24 cores)
  • 12 x 2.66 GHz HyperThreaded Cores
  • 32 GB
  • CentOS 6.2 on Virtuosso layer, cPanel
  • PHP 5.3.10 with mod_suhoshin, mod_fcgid, APC
<IfModule prefork.c>
    StartServers     5
    MinSpareServers   5
    MaxSpareServers   10
    ServerLimit      48
    MaxClients       44
    MaxRequestsPerChild  10000
</IfModule>
Timeout 300
KeepAlive Off

<IfModule mod_fcgid.c>
    FcgidMaxRequestLen 1073741824
    FcgidMaxRequestsPerProcess 1000
    FcgidMaxProcesses 1000
</IfModule>
Community
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WooDzu
  • 107

1 Answers1

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I think what counts in here is the MySQL-config as well as how well you've worked on sending the right caching-headers for static content. In fact your benchmark is telling you not what you were asking for, since it is only focused on the PHP-scripts + MySQL-queries. However a site-request is more.

Your benchmark does not include requests for

  • images
  • JavaScript-files
  • CSS-files
  • AJAX-calls (if relevant)

I recommend you to look for slow and inefficient queries as well. You could start here: MySQL's slow query log.

You should also keep in mind that "ab" takes only one specifig page-request into account. So if your server is well configured, you are hitting caches from the 2nd request on...

Ems
  • 34