I found out yesterday that for Dalli versions >=0.10.1, you don't need to specify ENV['MEMCACHE_SERVERS']. http://github.com/mperham/dalli/wiki/Heroku-Configuration
On Oct 24, 5:32 pm, Joost Schuur <[email protected]> wrote: > That did the trick for me. Thanks so much! > > Heroku ought to have this listed on the docs page. I'll drop them a > note if they're not already seeing this. > > </j> > > On Oct 24, 12:53 pm, arailsdemo <[email protected]> wrote: > > > I just figured this out today. I wrote it up here > > (http://www.arailsdemo.com/posts/17). Basically, you have to configure Dalli > > to use the Heroku memcache server. Simply change your config to: > > > # production.rb > > config.action_controller.perform_caching = true > > config.cache_store = :dalli_store, ENV['MEMCACHE_SERVERS'] > > > (BTW: I was also having problems installing memcached-northscale. I > > think this had to do with using ruby 1.9.2. If you're using RVM just > > switch to ruby 1.8.7.) > > > Good luck. > > > On Oct 18, 6:40 am, Joost Schuur <[email protected]> wrote: > > > > I've been experimenting with memcached and read good things about the > > > dalli gem, so I thought I'd try it out on Heroku. I can't seem to get > > > it to work and m not getting back any obvious errors either. > > > > My production.rb defines: > > > > config.action_controller.perform_caching = true > > > config.cache_store = :dalli_store > > > > ...and in my Gemfile: > > > > gem 'dalli' > > > > However, based on the logs, it's not reading from the cache. Upon > > > refreshing the page in question twice (to make sure the cache was > > > written the first time around), I still get this: > > > > Exist fragment? views/front_sidebar (506.9ms) > > > Write fragment views/front_sidebar (508.3ms) > > > > Likewise, from the heroku console for the app in question:>> > > > Rails.cache.write('hello', 'world') > > > => false > > > >> Rails.cache.read('hello') > > > > => nil > > > > I've restarted the heroku server during my tests too, and have > > > confirmed that I have the add-on installed (the app name is > > > tvgridthing-stage, if a Heroku rep would like to take a look). > > > > I don't know what other debug tools there are for dalli. I tried > > > checking the stats, but the instructions > > > athttp://docs.heroku.com/memcache#getting-stats-on-usage > > > obviously don't apply to dalli, which doesn't seem to have a stats > > > command. > > > > Locally on my Mac, things seem to work just fine, based on the > > > presence of 'Read fragment views/front_sidebar (0.0ms)' in the logs. > > > > I'm running Rails 3.0.1 and dalli 0.10.0 FWIW. > > > > Then I thought I'd try the standard memcached instead, so I added this > > > to my Gemfile > > > > group :production do > > > gem "memcache-client" > > > gem 'memcached-northscale', :require => 'memcached' > > > end > > > > ...and in production.rb: > > > config.cache_store = :mem_cache_store, Memcached::Rails.new > > > > Unfortunately, despite the :production group, when I went to do a > > > bundle install locally first, it tries to compile native extensions > > > under Mac OS X for memcached-northscale, and I get a compile error > > > that's been discussed here too: > > > >http://osdir.com/ml/ruby-talk/2010-02/msg01693.html > > > > Should I be able to tell bundle what environment to run under, so that > > > it'll ignore that on development and thus bypass any attempt to > > > install memcached-norrthscale? > > -- You received this message because you are subscribed to the Google Groups "Heroku" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/heroku?hl=en.
