class ActiveJob::QueueAdapters::BackburnerAdapter

Rails.application.config.active_job.queue_adapter = :backburner
To use Backburner set the queue_adapter config to :backburner.
Backburner here.
multiple work queues to be processed later. Read more about
high volume of jobs. You create background jobs and place them on
Backburner is a beanstalkd-powered job queue that can handle a very
== Backburner adapter for Active Job

def enqueue(job) # :nodoc:

:nodoc: 
def enqueue(job) # :nodoc:
  Backburner::Worker.enqueue(JobWrapper, [job.serialize], queue: job.queue_name, pri: job.priority)
end

def enqueue_at(job, timestamp) # :nodoc:

:nodoc: 
def enqueue_at(job, timestamp) # :nodoc:
  delay = timestamp - Time.current.to_f
  Backburner::Worker.enqueue(JobWrapper, [job.serialize], queue: job.queue_name, pri: job.priority, delay: delay)
end