To understand aggregates in Sensu, please refer yourself to the Sensu documentation.
List All Aggregates
To view all aggregates, head over to the aggregates view.
View An Aggregate
To see the detail of a specific aggregate, click on it from the aggregates view. From there, you can see the check and client members, in addition to the results of every check members.
Delete An Aggregate
It’s currently impossible to delete an aggregate from Uchiwa, but we would love to have you contribute to Uchiwa by implementing this feature!