Resque

AsynchronousProcessing

Two popular options

• DelayedJob

• Resque

DelayedJob

• http://github.com/tobi/delayed_job

• ActiveRecord based

• BatchImporter.new(Shop.find(1)).send_later(:import_massive_csv, massive_csv)

Resque

• http://github.com/defunkt/resque

• Redis based

• Battle tested at GitHub

Usageclass Converter @queue = :conversion

def self.perform(id) ... endend

Resque.enqueue(Converter, 123)

Invoking

QUEUE=:conversion rake environment resque:work

Sample App

• http://github.com/joerichsen/resque_demo

Misc

• MySQL has gone away - http://axonflux.com/resque-to-the-rescue-but-a-gotcha-dont-forget

• Deployment and Capistrano

• Priorities

• Namespaces

Mailers specifically

• http://github.com/zapnap/resque_mailer

• http://github.com/andersondias/delayed_job_mailer