Hi Igor, that's not the case, whatever I set the MaxClients to, it will happen, just the degree of system non-responsiveness is higher.
Thanks, Peter On 17.05.2010 01:13, Igor Cicimov wrote: > > Sounds like you r running out of capacity. If the RAM is not an issue > increase the MaxClients. Also run > $ pgrep apache2 ¦ wc -l > Or > $ pgrep httpd ¦ wc -l > to confirm you are reaching 80 > > Sent from my phone > >> On May 17, 2010 6:43 AM, "Peter Halicky" <p...@halicky.sk >> <mailto:p...@halicky.sk>> wrote: >> >> Hi, >> >> I run a "LAMP" server with a few websites, one of them quite busy. I use >> Ubuntu 8.04 with apache 2.2.8 >> and PHP 5.2.4. The problem is this: about once a day, apache processes >> cause the system load to go very >> high (today it was ~30). During this time, I can not display any webpage >> on my server. If I do not notice, the >> problem goes away after 3-10 minutes. If I do notice, I can ssh into the >> server (if I'm lucky and I get a connection, >> which could be a problem with sysload over 30+), I kill all apache >> processes (very many of them, usually equal >> to MaxClients), restart and everything is fine (with sysload rarely >> above 2, usually around 0.5). >> >> I use the prefork MPM with the following settings (just for the record): >> >> StartServers 5 >> MinSpareServers 5 >> MaxSpareServers 10 >> MaxClients 80 >> MaxRequestsPerChild 10 >> >> I have also reduced the KeepAliveTimeout to 3 seconds. >> >> The logs did not show anything interesting or out of the ordinary. Also >> this happens quite randomly, not really >> in the busiest hours (yesterday it was at 6am, which is the least busy >> time for the server). >> >> I configured a mod_status URL which I am monitoring, to see what is >> making apache so busy. Unfortunately, >> when this happens, apache is so busy that it doesn't respond to these >> requests... >> >> Any advice would be much appreciated. >> >> Thanks! >> Peter >> >> --------------------------------------------------------------------- >> 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-unsubscr...@httpd.apache.org >> <mailto:users-unsubscr...@httpd.apache.org> >> " from the digest: users-digest-unsubscr...@httpd.apache.org >> <mailto:users-digest-unsubscr...@httpd.apache.org> >> For additional commands, e-mail: users-h...@httpd.apache.org >> <mailto:users-h...@httpd.apache.org> >>
