Que: A Ruby job queue built on top of PostgreSQL
Que’s primary goal is reliability. You should be able to leave your application running indefinitely without worrying about jobs being lost due to a lack of transactional support, or left in limbo due to a crashing process. Que does everything it can to ensure that jobs you queue are performed exactly once (though the occasional repetition of a job can be impossible to avoid - see the docs on how to write a reliable job).
Que’s secondary goal is performance. The worker process is multithreaded, so that a single process can run many jobs simultaneously.
Source: que-rb/que: A Ruby job queue that uses PostgreSQL’s advisory locks for speed and reliability.
- statianzo/que-web: A web interface for the Que queue
- hlascelles/que-scheduler: A lightweight cron scheduler for the async job worker Que
- airhorns/que-locks: Exclusive job execution for que-rb/que
Not as advanced as Sidekiq, but good to know about.