#266 HTTP Streaming

May 16, 2011 | 9 minutes | Views, Rails 3.1

HTTP Streaming allows the browser to start processing the HTML response while the Rails app is still processing the rest of the request.

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Why HTTP Streaming?
ActionController::Streaming
Full episode source code

          bash
        
bundle
echo "listen 3000, :tcp_nopush => false" > config/unicorn.development.rb
unicorn_rails --config-file config/unicorn.development.rb
curl -i localhost:3000

          projects_controller.rb
        
stream

def index
  @projects = Project.all
  # alternative way to enable streaming:
  # render :stream => true
end

          projects/index.html.erb
        
<% provide :title, "Projects" %>

<% sleep 5 %>

          layouts/application.html.erb
        
<title><%= yield :title %></title>