BitzerStore can treat multiple cache clusters in Rails.
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README.md

BitzerStore

Gem Version Build Status Code Climate

The cache of Rails uses the cache cluster only one. BitzerStore can treat multiple cache clusters.

Installation

Add this line to your application's Gemfile:

gem 'bitzer_store'

And then execute:

$ bundle

Or install it yourself as:

$ gem install bitzer_store

Usage

1.config at config/environments/*.rb

MyApp::Application.configure do
  BitzerStore.configure(config) do |cache|
    cache.default :mem_cache_store, "server0"
    cache.top_page :mem_cache_store, "server1", "server2"
    cache.obj :dalli, "server3" 
    cache.footer :file_store, "/tmp"
  end
end

The xxx of cache.xxx is name of cache cluster. You should supply cache.default which is used to cache cluster of default.

You can specify the setting common items. Setting common items will be overwritten with individual setting.

MyApp::Application.configure do
  BitzerStore.configure(config) do |cache|
    cache.common_setting :memcache_store, "server0", :expires_in => 600
    cache.default :namespace => "tsu"
    cache.top_page :dalli, "server1"
  end
end

The contents of the above is the same as below.

MyApp::Application.configure do
  BitzerStore.configure(config) do |cache|
    cache.default :memcache_store, "server0", :expires_in => 600, :namespace => "tsu"
    cache.top_page :dalli, "server1", :expires_in => 600 
  end
end

2.Rails.cache When specify no name, to use default cache cluster.

Rails.cache.read("a")

Supply an options with a :sheep key. It's value is cache cluster name.

Rails.cache.read("a", :sheep => :cluster_a)

caches_action, fragment_cache are the same.

<% cache "page", :sheep => :cluster_a do %>
  <%= somethong %>
<% end %>

Contributing

  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request