Operating OpenStack: Monitoring RabbitMQ
At the OpenStack Operators meetup the question was asked about monitoring issues that are related to RabbitMQ. Lots of OpenStack components use a message broker and the most commonly used one among operators is RabbitMQ. For this post I’m going to concentrate on Nova and a couple of scenarios I’ve seen in production. It’s important to understand the flow of messages amongst the various components and break things down into a couple of categories:...