Ruby on Rails:如何在后台运行事物?

问题描述

创建新资源后，在资源准备就绪之前需要进行一些冗长的处理，我该如何将该处理发送到后台，在其中不会阻止当前请求或我的网络应用的其他访问量?

When a new resource is created and it needs to do some lengthy processing before the resource is ready, how do I send that processing away into the background where it won't hold up the current request or other traffic to my web-app?

在我的模型中:

class User < ActiveRecord::Base
 after_save :background_check

 protected
 def background_check
  # check through a list of 10000000000001 mil different
  # databases that takes approx one hour :)
  if( check_for_record_in_www( self.username ) )
    # code that is run after the 1 hour process is finished.
    user.update_attribute( :has_record )
  end
 end
end

推荐答案

您绝对应该查看以下Railscast:

You should definitely check out the following Railscasts:

• http://railscasts.com/episodes/127-rake-in-background
• http://railscasts.com/episodes/128-starling-and-workling
• http://railscasts.com/episodes/129-custom-daemon
• http://railscasts.com/episodes/366-sidekiq

• http://railscasts.com/episodes/127-rake-in-background
• http://railscasts.com/episodes/128-starling-and-workling
• http://railscasts.com/episodes/129-custom-daemon
• http://railscasts.com/episodes/366-sidekiq

他们解释了如何以各种可能的方式(有或没有队列...)在Rails中运行后台进程

They explain how to run background processes in Rails in every possible way (with or without a queue ...)

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