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Mongoid backend for delayed_job
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 Dependencies

Runtime

>= 3.0, < 5
>= 5.0
 Project Readme

DelayedJob Mongoid backend

Gem Version Build Status Code Climate Coverage

Requirements

Delayed Job Mongoid supports the following dependency versions:

  • Ruby 2.3+
  • Mongoid 5+

For Mongoid 3 and 4, use 2.x version of this gem.

Installation

Add the gem to your Gemfile:

gem 'delayed_job_mongoid'

Then create the indexes (don't forget to do this in production):

script/rails runner 'Delayed::Backend::Mongoid::Job.create_indexes'

To generate script/delayed_job:

rails generate delayed_job

That's it. Use delayed_job as normal.

Advanced Usage

Silencing Noisy Logging

By default, the Mongo Ruby Driver will print log lines every 5 seconds as Delayed Job polls your database. Use the following plugin to silence logs which happen while polling (except error level) and only log operations which happen during job execution.

# in initializers/delayed_job.rb

require 'delayed/plugins/mongo_silencer'
Delayed::Worker.plugins << Delayed::Plugins::MongoSilencer

To ensure thread safety, this plugin requires your Mongo::Logger.logger to be an instance of ActiveSupport::Logger class. It will ignore instances of the Ruby standard library Logger class.

Customizing Job Class

Delayed Job allows specifying a custom backend class for jobs. For example, you may wish to specify a different database collection name. To do this:

# in an initializer

class MyJob
  include ::Mongoid::Document

  store_in(collection: :my_jobs)

  include ::Delayed::Backend::Mongoid::Mixin
end

Delayed::Worker.backend = MyJob

# in your application

MyJob.enqueue(job_object)