[This code](https://github.com/elastic/kibana/blob/master/x-pack/plugins/monitoring/server/alerts/cpu_usage_alert.ts#L396) should also use the node id list to generate the instance id to ensure we get fresh throttle periods for each unique set of nodes firing
This code should also use the node id list to generate the instance id to ensure we get fresh throttle periods for each unique set of nodes firing