How to use check aggregates in Sensu Go
Aggregates, which allow you to monitor groups of checks or entities, were a much-beloved feature in Sensu Core (the predecessor to Sensu Go) — Ben Abrams describes them as “awesome” in his post on alert fatigue, noting that aggregates are like having “a bunch of nodes behind a load balancer where each node is healthchecked, and if a node drops out it may not be worth waking someone up in the middle of the night.”