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I am getting some fairly sever performance issues with my plesk 11 dedicated box, it has 8 gigs of ram, static pages load very fast, a firstbyte time of less then 0.5 seconds, however dynamic php files, including just a php info can take between 1 (straight after a httpd restart) and 10 seconds for the firstbyte.

Ive been measuring the performance with WebPagetest.org

The server runs 1 site, with 4000 visitors a month, it should not be under any real load.

PHP runs as CGI

Heres the httpd configuration for prefork

<IfModule prefork.c>
StartServers       8
MinSpareServers    5
MaxSpareServers   20
ServerLimit      256
MaxClients       256
MaxRequestsPerChild  1000
</IfModule>

Also the log files fill with this

[Tue Apr 09 05:58:23 2013] [warn] mod_fcgid: process 4435 graceful kill fail, sending SIGKILL
[Tue Apr 09 05:58:55 2013] [warn] mod_fcgid: process 4466 graceful kill fail, sending SIGKILL
[Tue Apr 09 05:59:11 2013] [warn] mod_fcgid: process 4475 graceful kill fail, sending SIGKILL

Any suggestions are more then welcome, i cannot figure this out.

Thanks!

user168674
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  • It looks like your PHP scripts just take much too long. Check them, see if/where they could be doing too much computation. – vonbrand Apr 09 '13 at 10:21
  • Hi thanks for the comments, its just a Joomla install, and was running far faster on lower spec VPS then it is on this dedicated box, i dont think it can suddenly be much more CPU intensive. – user168674 Apr 09 '13 at 11:12
  • Abit late but.. did you ever find a solution for this problem? – Mackelito Feb 24 '15 at 12:35

0 Answers0