persister/whisper_schema.go
func (s WhisperSchemas) Match(metric string) (Schema, bool) {
	for _, schema := range s {
		if schema.Pattern.MatchString(metric) {
			return schema, true
		}
	}
	return Schema{}, false
}
func (s WhisperSchemas) Match(metric string) (Schema, bool) {
	for _, schema := range s {
		if schema.Pattern.MatchString(metric) {
			return schema, true
		}
	}
	return Schema{}, false
}
// Match finds the schema for metric or returns false if none found