Migrate to quorum queues and RabbitMQ 4.x using a Blue/Green deployment strategy

[michaelklishin]

Our team has published a new blog post that explains how a 3.x cluster that uses mirrored classic queues can be upgraded to quorum queues using rabbitmqadmin v2 and the new commands that
make it much easier to automate most of the process.

If you still run RabbitMQ 3.x and use classic mirrored queues, this is a must read.