Presentation Notes

ActiveRecord plugins for DB Optimization

  • Bullet – Help you reduce the number of queries with alerts (and growl).
  • Rails Indexes – Rake tasks to find missing indexes.
  • Scrooge – SQL query optimizer, so you query for only what your page needs.

Rails plugins to prevent Memory Bloat

  • rack-bug – Debugging toolbar for Rack applications implemented by middleware.
  • memorylogic – Adds in process id and memory usage in your rails logs.
  • oink – Log parser to find actions which cause an increase VM heap size

Ruby libraries to help scale

  • rubber – A capistrano/rails plugin that makes it easy to deploy/manage/scale to EC2
  • cloud crowd – Manage parallel processing through background jobs.
  • Mad Mimi – Email marketing web application with an awesome API.