What kind of tests should I run to determine bottlenecks on my server? I'm trying to optimize so I can maintain heavy load spikes when they occur. I'm running Ubuntu in a LAMP environment.
So I've got nginx and php-fpm on a cloud server. Using apache benchmark with these settings: ab -n 300 -c 5 http://example.com/ So the cloud server (from rackspace) was a 256mb one. I ran htop while ...