Caching
Ruby on Rails includes a variety of caching mechanisms that can dramatically improve performance. Page caching generates static HTML files representing an entire page, taking the application server completely out of the look for future requests. For dynamic pages, parts often must change for each request, in which case action and fragment caching are usually more appropriate.
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Ruby on Rails Caching Tutorial
Excellent tutorial on the various forms of caching in Rails and how and when to use them.
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Documentation (3)
- Action Cache plugin » CRAZ8
A Rails plugin that is a drop-in replacement for Rails Action Caching. Adds many useful features including: last-modified header usage, storing response headers in cache, custom cache key implementations, conditional caching, and more.
- better rails caching
Plugin for high performance caching. From the site description: “Interlock uses memcached to make your view fragments and associated controller blocks march along together. If a fragment is fresh, the controller behavior won‘t run. This eliminates duplicate effort from your request cycle. Your controller blocks run so infrequently that you can use regular ActiveRecord finders and not worry about object caching at all.”
- Content-only caching for Rails
Introduces a new level of caching for Rails in which content that doesn’t include layouts is cached. Similar to action caching, but more granular.
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