Yan Pritzker photographer, entrepreneur, software engineer, musician, skier

Rails fragment cache with memcached-client and time-based :expire option

Posted 19 August 2006 @ 5pm | Tagged RubyOnRails, software

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The robot-coop’s memcache-client is the recommended memcache library to use for Rails. However, when I tried to use it with the Rails fragment cache, I found it was simply incompatible. Rails fragment cache wanted read() and write() methods, but the library only provided get() and set(). I took this opportunity to write a very simple plugin that not only provides those wrappers, but also allows easy time-based expiry syntax:


<% cache 'mykey', :expire => 10.minutes do %> ...


Grab the plugin at RubyForge!

This is my take on time-based caching (plugin url in post doesn’t work, so I had to write this myself :) Now I’m curious how your plugin looks like…

http://bigbold.com/snippets/posts/show/2975

Oops, sorry I updated the link to point to rubyforge

Hi Yan, it seems that the memcache_fragments gem is not available at RubyForge, see:

[dev:~] root# gem install memcache_fragments
Attempting local installation of ‘memcache_fragments’
Local gem file not found: memcache_fragments*.gem
Attempting remote installation of ‘memcache_fragments’
ERROR: While executing gem … (Gem::GemNotFoundException)
Could not find memcache_fragments (> 0) in the repository
[dev:~] root#

Suggestions?

Yes I think it’s not available as a gem. I’ll have to repackage it and upload it there. Meanwhile please download it using the .tar.gz format http://rubyforge.org/frs/?group_id=2082&release_id=6562. ALso the fine folks at zvents.com have integrated my plugin into something they’ve built so you can check that out too: http://blog.zvents.com/2006/11/3/rails-plugin-extended-fragment-cache