Posts tagged "scalability"

How to avoid the dog-pile effect on your Rails app

Everyone already heard about scalability at least once. Everyone already heard about memcached as well. What not everyone might heard is the dog-pile effect and how to avoid it. But before we start, let’s take a look on how to use Rails with memcached. Rails + Memcached = expires_at && !exist?(“lock_#{key}”) orig_write(“lock_#{key}”, true, :expires_in => … »