You may be wondering how the platform processes the event queue. What picks them up? How often are they processed? In order to make things happen automatically, ServiceNow has a system scheduler. Processing the event queue is one job that is done on a repeated basis.
ServiceNow sometimes creates extra nodes that only process events. These concentrate on the processing of things such as e-mails, enabling the other application nodes to better serve user interactions.
To see what is going on, navigate to System Scheduler > Scheduled Jobs > Today's Scheduled Jobs. This is a link to the Schedule Item [
sys_trigger] table, a list of everything the system is doing in the background. You will see a job that collects database statistics, ...