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metrics.go
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metrics.go
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// Copyright 2018 PingCAP, Inc.
//
// Licensed 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,
// See the License for the specific language governing permissions and
// limitations under the License.
package schedule
import "github.com/prometheus/client_golang/prometheus"
var (
checkerCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "pd",
Subsystem: "checker",
Name: "event_count",
Help: "Counter of checker events.",
}, []string{"type", "name"})
operatorStepDuration = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "pd",
Subsystem: "schedule",
Name: "finish_operator_steps_duration_seconds",
Help: "Bucketed histogram of processing time (s) of finished operator step.",
Buckets: prometheus.ExponentialBuckets(0.01, 2, 16),
}, []string{"type"})
hotCacheStatusGauge = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: "pd",
Subsystem: "hotcache",
Name: "status",
Help: "Status of the hotspot.",
}, []string{"name", "type"})
filterCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "pd",
Subsystem: "schedule",
Name: "filter",
Help: "Counter of the filter",
}, []string{"action", "store", "type"})
)
func init() {
prometheus.MustRegister(checkerCounter)
prometheus.MustRegister(operatorStepDuration)
prometheus.MustRegister(hotCacheStatusGauge)
prometheus.MustRegister(filterCounter)
}