Page Caching Enhancements
For anyone who's struggled at how to obtain the maximum performance in a Rails application on limited hardware- the good guys over at Rails Spikes have posted an informative article with some tips on implementing page caching in a Rails application while still maintaining some flexibility.
They include tips such as using the Cacheable Flash plugin, using will_paginate with page caching, and expiring page caches by time instead of with explicit expiration.