Reto Baumann wrote: > Hi all > > I'm dealing with a new problem for me. I'm running an Apache web server with > PHP and a MySQL database backend. The apps are doing fine so far and up until > recently everything worked just fine. > > About a few days ago, a strange phenomenon started. I normally have around 20- > 50 Apache processes running. I now see the number of processes jumping up to > 400 within minutes. The MaxClients set to 400 and the Apache is stopping to > respond - the users can't access the page anymore. > > I'm using Apache httpd server version 2.0.59 and PHP 4.4.6. > > httpd.conf says: > KeepAlice On > MaxKeepAliveRequests 10 > KeepAliveTimeout 10 > MinSpareServers 5 > MaxSpareServers 10 > StartServers 5 > ServerLimit 500 > MaxClients 400 > MaxRequestsPerChild 500 > > When I check with 'netstat -an' on my Linux box I see lets of "TIME_WAIT" > connections. Might this have to do something with the problem? > > Any ideas or approaches on how to figure out what might cause the problem? Am I > dealing with some sort of DoS? > > thx for the help > reto > > > --------------------------------------------------------------------- > 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 > > > Can you Coralize the URLs for some/all of the affected content? (Coral Distribution Network) can be useful to mitigate DoS or slashdott effect. -- Matthew Farey --------------------------------------------------------------------- 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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