Method GetNumOfZones

pkg/ring/replication_set.go:144–150

GetNumOfZones returns number of distinct zones.

()

// GetNumOfZones returns number of distinct zones.
func (r ReplicationSet) GetNumOfZones() int {
	set := make(map[string]struct{})
	for _, instance := range r.Instances {
		set[instance.GetZone()] = struct{}{}
	}
	return len(set)
}

// HasReplicationSetChanged returns false if two replications sets are the same (with possibly different timestamps),
// true if they differ in any way (number of instances, instance states, tokens, zones, ...).