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// Copyright 2017 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 metrics
import (
"github.com/prometheus/client_golang/prometheus"
)
// Metrics for the GC worker.
var (
GCWorkerCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "gc_worker_actions_total",
Help: "Counter of gc worker actions.",
}, []string{"type"})
GCHistogram = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "gc_seconds",
Help: "Bucketed histogram of gc duration.",
Buckets: prometheus.ExponentialBuckets(1, 2, 20), // 1s ~ 6days
}, []string{"stage"})
GCConfigGauge = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "gc_config",
Help: "Gauge of GC configs.",
}, []string{"type"})
GCJobFailureCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "gc_failure",
Help: "Counter of gc job failure.",
}, []string{"type"})
GCActionRegionResultCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "gc_action_result",
Help: "Counter of gc action result on region level.",
}, []string{"type"})
GCRegionTooManyLocksCounter = prometheus.NewCounter(
prometheus.CounterOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "gc_region_too_many_locks",
Help: "Counter of gc scan lock request more than once in the same region.",
})
GCUnsafeDestroyRangeFailuresCounterVec = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "gc_unsafe_destroy_range_failures",
Help: "Counter of unsafe destroyrange failures",
}, []string{"type"})
)