The job queue VM is responsible for hosting the RabbitMQ server, which holds all of the in-flight workflow tasks. Because the resources of the job queue are heavily taxed by communication with all of the worker VMs in the cluster, we do not assign any additional roles to this host. ...
Emersion Network Power, Understanding the Cost of Data Center Downtime: An Analysis of the Financial Impact on Infrastructure Vulnerability, Columbus, Ohio, USA. 2011. Available online: https://www.anixter.com/content/dam/Suppliers/Liebert/White%20Paper/Downtime%20-%20data-center-uptime_24661-R05...