Is there a tool that can help me simulate high levels of usage of my rails app? I’m looking to test how responsive it will stay as usage grows. I’m deploying on Heroku and I’d like to know at what point to add additional capacity.
Something that could also give me performance stats would be especially useful.
You can use JMeter (free) to test your dev and production site. You also can use something like BLITZ.IO but it’ll cost money (free service has a duration/user limit).