can you please give us the full output from Apaches scoreboard service httpd fullstatus (yum install elinks) you can search/replace any private data, however the rest of the output is very important for troubleshooting. Sincerely, Alexandr Normalex On 3 May 2012 13:29, P J <pauljflists@xxxxxxxxx> wrote: > > > On Thu, May 3, 2012 at 9:51 AM, Pablo Armando <pablo.armando@xxxxxxxxxxxx> > wrote: >> >> What about the number of open file descriptors ?? >> >> >> >> On 05/03/2012 01:33 PM, Tom Evans wrote: >>> >>> On Mon, Apr 30, 2012 at 4:20 PM, P J<pauljflists@xxxxxxxxx> wrote: >>> .... The fact that your issue seems to happen when you go above 1024 >>> clients - a magic number - suggests that it may be something programatically >>> wrong. Hope that helps! >> >> > Thanks for the great feedback everyone, much appreciated. > > Tom: I will check the listen queue the next time this happens to see how > large it is. > > Good idea about raising the limit to accommodate the peak as a starting > point, I've switched it to: > > StartServers 500 > MinSpareServers 1024 > MaxSpareServers 1024 > ServerLimit 3500 > MaxClients 3500 > MaxRequestsPerChild 4000 > > Then in the error log I'm seeing: > > [info] server seems busy, (you may need to increase StartServers, or > Min/MaxSpareServers), spawning 32 children, there are 1003 idle, and 1043 > total children > > How can the "server seems busy" with 1003 idle children? yet it is spawning > 32 more children? Am I totally missing something obvious here? > > Also a great idea to test with the 2.2.22 instead of the OS supplied 2.2.3, > I will look into that for sure. > > Pablo, open file descriptors was originally what I thought the problem was, > but I raised them from 1024 to 16384 and it made no difference: > > cat /proc/$(pidof -s httpd)/limits > Limit Soft Limit Hard Limit Units > > Max cpu time unlimited unlimited seconds > > Max file size unlimited unlimited bytes > > Max data size unlimited unlimited bytes > > Max stack size 10485760 unlimited bytes > > Max core file size 0 unlimited bytes > > Max resident set unlimited unlimited bytes > > Max processes 55296 55296 > processes > Max open files 16384 16384 files > > Max locked memory 32768 32768 bytes > > Max address space unlimited unlimited bytes > > Max file locks unlimited unlimited locks > > Max pending signals 55296 55296 signals > > Max msgqueue size 819200 819200 bytes > > Max nice priority 0 0 > Max realtime priority 0 0 > > Thanks again. > > -- > PJ --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx
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