Ruby on rails 缓存在Memcache中缓存\u操作框架，并在文件系统中缓存资产

在Heroku、Dalli gem和Memcachier上使用Rails 3.1.1

我正在尝试解决一个问题，为了解决这个问题，我希望确保只有来自我的caches\u操作的内容才会缓存在memcache中。我希望我的资产（jpg等）被缓存到其他地方

我相信这是同一个问题，但当我做同样的事情，即添加

config.action_dispatch.rack_cache = {
  :metastore    => Dalli::Client.new,
  :entitystore  => 'file:tmp/cache/rack/body',
  :allow_reload => false
}

对我的production.rb来说，它似乎没有什么作用

Myproduction.rb全文：

MyDemoApp::Application.configure do
  # Settings specified here will take precedence over those in config/application.rb

  # Code is not reloaded between requests
  config.cache_classes = true

  # Full error reports are disabled and caching is turned on
  config.consider_all_requests_local       = false
  config.action_controller.perform_caching = true

  # Disable Rails's static asset server (Apache or nginx will already do this)
  config.serve_static_assets = true

  # Compress JavaScripts and CSS
  config.assets.compress = true

  # Don't fallback to assets pipeline if a precompiled asset is missed
  config.assets.compile = true

  # Generate digests for assets URLs
  config.assets.digest = true

  # Defaults to Rails.root.join("public/assets")
  # config.assets.manifest = YOUR_PATH

  # Specifies the header that your server uses for sending files
  # config.action_dispatch.x_sendfile_header = "X-Sendfile" # for apache
  # config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for nginx

  # Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
  # config.force_ssl = true

  # See everything in the log (default is :info)
  # config.log_level = :debug

  # Prepend all log lines with the following tags
  # config.log_tags = [ :subdomain, :uuid ]

  # Use a different logger for distributed setups
  # config.logger = ActiveSupport::TaggedLogging.new(SyslogLogger.new)

  # Use a different cache store in production
  config.cache_store = :dalli_store 

  config.action_dispatch.rack_cache = {
    :metastore    => Dalli::Client.new,
    :entitystore  => 'file:tmp/cache/rack/body',
    :allow_reload => false
  }  

  # Set expire header of 30 days for static files
  config.static_cache_control = "public, max-age=2592000" 

  # Enable serving of images, stylesheets, and JavaScripts from an asset server
  # config.action_controller.asset_host = "http://assets.example.com"

  # Precompile additional assets (application.js, application.css, and all non-JS/CSS are already added)
  # config.assets.precompile += %w( search.js )

  # Disable delivery errors, bad email addresses will be ignored
  # config.action_mailer.raise_delivery_errors = false

  # Enable threaded mode
  # config.threadsafe!

  # Enable locale fallbacks for I18n (makes lookups for any locale fall back to
  # the I18n.default_locale when a translation can not be found)
  config.i18n.fallbacks = true

  # Send deprecation notices to registered listeners
  config.active_support.deprecation = :notify
end

缓存资产工作正常（获取缓存刷新响应），缓存操作如下：

  caches_action :show, :layout => false, :expires_in => 3.days

还将在Rails缓存中创建一个缓存项（尽管它们会在一段时间后消失）

我现在的问题是：如果可能的话，我如何做到只有我的缓存\u动作片段最终进入我的Memcache（而不是我的资产）

---

一个额外的问题是，你在我的制作中看到了什么与众不同的东西吗？rb？

我使用gem“asset\u sync”将我的所有资产转移到Amamzon S3

参见说明

你有三个优势：

• 您的资产由Amazon提供，因此页面加载速度更快 使用者
• 你在Heroku上的弹头尺寸更小，应该更大 性能
• 您的资产将不再在memecahce中

---

在Amamzon上主持我的所有资产每三个月就要花费我大约20美分

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