| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package kvstore |
| |
| import ( |
| "time" |
| |
| "github.com/prometheus/client_golang/prometheus" |
| |
| "github.com/apache/servicecomb-service-center/pkg/metrics" |
| helper "github.com/apache/servicecomb-service-center/pkg/prometheus" |
| ) |
| |
| var ( |
| eventsCounter = helper.NewGaugeVec( |
| prometheus.GaugeOpts{ |
| Namespace: metrics.FamilyName, |
| Subsystem: "db", |
| Name: "backend_event_total", |
| Help: "Counter of backend events", |
| }, []string{"instance", "prefix"}) |
| |
| eventsLatency = helper.NewSummaryVec( |
| prometheus.SummaryOpts{ |
| Namespace: metrics.FamilyName, |
| Subsystem: "db", |
| Name: "backend_event_durations_microseconds", |
| Help: "Latency of backend events processing", |
| Objectives: metrics.Pxx, |
| }, []string{"instance", "prefix"}) |
| |
| dispatchCounter = helper.NewGaugeVec( |
| prometheus.GaugeOpts{ |
| Namespace: metrics.FamilyName, |
| Subsystem: "db", |
| Name: "dispatch_event_total", |
| Help: "Counter of backend events dispatch", |
| }, []string{"instance", "prefix"}) |
| |
| dispatchLatency = helper.NewSummaryVec( |
| prometheus.SummaryOpts{ |
| Namespace: metrics.FamilyName, |
| Subsystem: "db", |
| Name: "dispatch_event_durations_microseconds", |
| Help: "Latency of backend events dispatch", |
| Objectives: metrics.Pxx, |
| }, []string{"instance", "prefix"}) |
| ) |
| |
| func ReportProcessEventCompleted(prefix string, evts []Event) { |
| l := float64(len(evts)) |
| if l == 0 { |
| return |
| } |
| instance := metrics.InstanceName() |
| now := time.Now() |
| for _, evt := range evts { |
| elapsed := float64(now.Sub(evt.CreateAt.Local()).Nanoseconds()) / float64(time.Microsecond) |
| eventsLatency.WithLabelValues(instance, prefix).Observe(elapsed) |
| } |
| eventsCounter.WithLabelValues(instance, prefix).Add(l) |
| dispatchCounter.WithLabelValues(instance, prefix).Add(l) |
| } |
| |
| func ReportDispatchEventCompleted(prefix string, evts []Event) { |
| l := float64(len(evts)) |
| if l == 0 { |
| return |
| } |
| instance := metrics.InstanceName() |
| now := time.Now() |
| for _, evt := range evts { |
| elapsed := float64(now.Sub(evt.CreateAt.Local()).Nanoseconds()) / float64(time.Microsecond) |
| dispatchLatency.WithLabelValues(instance, prefix).Observe(elapsed) |
| } |
| dispatchCounter.WithLabelValues(instance, prefix).Add(-l) |
| } |