Rails Performance Tuning for Production?

Question

I\'m getting close to deploying an application built on Rails 3.1.x and started running some performance tests. After fiddling with ab for a bit, I\'m seeing some

Answer 1

As nothing has come up yet, I'll provide an answer for the PostgreSQL part. I can't assist with Ruby.

You can find excellent starting points for optimizing performance at the PostgreSQL wiki.

• Tuning the server settings (not sure how much is possible with Heroku)
• Pay special attention to slow queries
• Check your hardware (not applicable with Heroku)