Qu adapter for Active Job
Qu is a Ruby library for queuing and processing background jobs. It is heavily inspired by delayed_job and Resque. Qu was created to overcome some shortcomings in the existing queuing libraries. The advantages of Qu are: Multiple backends (redis, mongo), jobs are requeued when worker is killed, resque-like API.
Read more about Qu here.
To use Qu set the queue_adapter config to
Rails.application.config.active_job.queue_adapter = :qu