How to properly implement deferred tasks in Node.js?

Question

JavaScript

How to correctly implement deferral of tasks-functions for a large number of users? What is the correct way to save them to a database, mongo, redis or somewhere else? How to do it better with cluster, event emitters and process.nextTick ? If the server crashes or reboots, how to restore tasks?

Answer 1

beanstalkd, rabbitmq, gearman