42 performance tips for Ruby on Rails

Some I already, some I don't. Good to know anyway.

Limit Rails memory usage, fix R14 and save money on Heroku

Nice idea for starting out on a small side project.


The automatic indexer for Postgres.


A performance dashboard for Postgres.

Postgres Query Plan Visualization

Tool for visualising query plans in PostgreSQL.

How I Reduced my DB Server Load by 80%

Good advice for Rails and PostgreSQL setups.

4 Easy Ways to Speed Up Your Rails App