tidb gc_worker 源码
tidb gc_worker 代码
文件路径：/metrics/gc_worker.go
// 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,
// 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 metrics
import (
"github.com/prometheus/client_golang/prometheus"
"github.com/tikv/client-go/v2/metrics"
)
// 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.CounterVec
)
func init() {
GCUnsafeDestroyRangeFailuresCounterVec = metrics.TiKVUnsafeDestroyRangeFailuresCounterVec
}
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