sudden increase in writing connections and apache processes

vicky007 nginx-forum at
Thu Jan 14 01:56:02 MSK 2010


I'm using nginx as reverse proxy to apache. Apache only serves php because I had no time to set up fastcgi or php-fpm on this box.

Anyway, today there was sudden increase in nginx writing connections and increase of apache processes. It already happened to me in past and cause was the datacenter resolvers (at least switching to google resolvers fixed it immediately). Today the change of resolvers does not do anything.

Here are graphs to show the situation:

Anyone experienced something similar? What can be wrong? 

Thank you.


Posted at Nginx Forum:,40894,40894#msg-40894

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