#366 Sidekiq

Jul 18, 2012 | 10 minutes | Plugins, Background Jobs

Sidekiq allows you to move jobs into the background for asynchronous processing. It uses threads instead of forks so it is much more efficient with memory compared to Resque.

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          terminal
        
brew install redis
redis-server /usr/local/etc/redis.conf
bundle exec sidekiq
bundle exec sidekiq -q high,5 default

          Gemfile
        
gem 'sidekiq'
gem 'sinatra', require: false
gem 'slim'

          snippets_controller.rb
        
PygmentsWorker.perform_async(@snippet.id)
# PygmentsWorker.perform_in(1.hour, @snippet.id)

          app/workers/pygments_worker.rb
        
class PygmentsWorker
  include Sidekiq::Worker
  sidekiq_options queue: "high"
  # sidekiq_options retry: false
  
  def perform(snippet_id)
    snippet = Snippet.find(snippet_id)
    uri = URI.parse("http://pygments.appspot.com/")
    request = Net::HTTP.post_form(uri, lang: snippet.language, code: snippet.plain_code)
    snippet.update_attribute(:highlighted_code, request.body)
  end
end

          routes.rb
        
require 'sidekiq/web'
# ...
mount Sidekiq::Web, at: '/sidekiq'