Hi. I set MaxRequestPerChild = 400 (400 is average quantity of ESTABLISHED connections), but it was only worse. On Thu, Nov 06, 2008 at 12:01:00PM +0530, Arnab Ganguly wrote: > Hi, > Can you try with Non-zero MaxRequestPerChild value.Keep a value which is > equal to number of request are particular process you want to handle.Once it > is done the process will be killed and a new process is going to be > started.I guess your CPU usage should come down. > Thanks > -A > > On Thu, Nov 6, 2008 at 2:49 AM, Alexey Vlasov <renton@xxxxxxxxxxx> wrote: > > > Hi. > > > > Working with Apache I noticed one strange thing such as high consumption > > of CPU. > > > > It looks like this. > > server status: > > Parent Server Generation: 2 > > Server uptime: 27 minutes 54 seconds > > Total accesses: 137589 - Total Traffic: 6.1 GB > > CPU Usage: u80.91 s52.19 cu0 cs0 - 7.95% CPU load > > 82.2 requests/sec - 3.7 MB/second - 46.2 kB/request > > 62 requests currently being processed, 38 idle workers > > > > Especially remarkable is that Top gives - 9999% > > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND > > 11978 www 20 0 458m 111m 2000 S 9999 0.7 0:01.66 > > /opt/apache/2.2.9/sbin/httpd -k start > > 18151 www 20 0 453m 106m 1996 S 4 0.7 0:00.30 > > /opt/apache/2.2.9/sbin/httpd -k start > > 18911 www 20 0 333m 100m 1984 S 3 0.6 0:00.09 > > /opt/apache/2.2.9/sbin/httpd -k start > > 18942 www 20 0 421m 101m 1996 S 2 0.6 0:00.07 > > /opt/apache/2.2.9/sbin/httpd -k start > > > > Accounting also shows high consumption of CPU. > > > > I don't know how it really should be, but I think it's not quite normal. > > Can it be peculiarity or feature of my configuration? Well I really need > > some advice from those who use worker/event. Thanks in advance. > > > > Configuration of my box: > > 2 x Quad-core CPUs Intel Xeon E5345 linux-2.6.25, gcc-4.1.2, libc-2.6.1 > > > > Apache-2.2.9 make options: > > CFLAGS="-O3 -march=nocona -pipe -fPIC -fomit-frame-pointer -ftracer > > -mfpmath=sse" > > > > mpm config: > > <IfModule mpm_event_module> > > ServerLimit 48 > > StartServers 4 > > MaxClients 1200 > > MinSpareThreads 25 > > MaxSpareThreads 75 > > ThreadsPerChild 25 > > MaxRequestsPerChild 0 > > </IfModule> > > > > Example of my virtualhost: > > <VirtualHost *> > > <IfModule fcgid_module> > > FCGIWrapper /path_to_phpwrapper > > </IfModule> > > CustomLog path_to_log combined > > ErrorLog path_to_log > > DocumentRoot /path_to_docroot > > SetEnv PHPRC /path_to_php.ini > > <IfModule php5_module> > > php_admin_value *** *** > > </IfModule> > > ServerName example.com > > ServerAlias www.example.com > > ServerAlias www1.example.com > > AddHandler server-parsed .htm > > AddHandler server-parsed .html > > AddHandler server-parsed .shtm > > AddHandler server-parsed .shtml > > RewriteEngine On > > RewriteCond *** *** > > # some rules for backend > > RewriteRule *** *** [NC,L,P] > > SuexecUserGroup user group > > </VirtualHost> > > > > Total number of virtual hosts is about 2000. > > > > -- > > BRGDS. Alexey Vlasov. > > > > --------------------------------------------------------------------- > > The official User-To-User support forum of the Apache HTTP Server Project. > > See <URL:http://httpd.apache.org/userslist.html> for more info. > > To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx > > " from the digest: users-digest-unsubscribe@xxxxxxxxxxxxxxxx > > For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx > > > > -- BRGDS. Alexey Vlasov. --------------------------------------------------------------------- The official User-To-User support forum of the Apache HTTP Server Project. See <URL:http://httpd.apache.org/userslist.html> for more info. To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx " from the digest: users-digest-unsubscribe@xxxxxxxxxxxxxxxx For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx
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