metrics

var HeadBlockNumber = MetricSet.NewHeadBlockNumber("dgraphql")

var HeadTimeDrift = MetricSet.NewHeadTimeDrift("dgraphql")

var InflightQueryCount = MetricSet.NewGauge("inflight_query_count", "inflight query count currently active")

var InflightSubscriptionCount = MetricSet.NewGauge("inflight_subscription_count", "inflight subscription count currently active")

var MetricSet = dmetrics.NewSet()

var QueryResponseTimes = MetricSet.NewHistogram("query_response_times", "query response times histogram for percentile sampling")