Files
tidb/metrics/distsql.go

56 lines
1.6 KiB
Go

// 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 metrics
import (
"github.com/prometheus/client_golang/prometheus"
)
// distsql metrics.
var (
DistSQLQueryHistgram = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "distsql",
Name: "handle_query_duration_seconds",
Help: "Bucketed histogram of processing time (s) of handled queries.",
Buckets: prometheus.ExponentialBuckets(0.0005, 2, 18), // 0.5ms ~ 128s
}, []string{LblType, LblSQLType})
DistSQLScanKeysPartialHistogram = prometheus.NewHistogram(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "distsql",
Name: "scan_keys_partial_num",
Help: "number of scanned keys for each partial result.",
},
)
DistSQLScanKeysHistogram = prometheus.NewHistogram(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "distsql",
Name: "scan_keys_num",
Help: "number of scanned keys for each query.",
},
)
DistSQLPartialCountHistogram = prometheus.NewHistogram(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "distsql",
Name: "partial_num",
Help: "number of partial results for each query.",
},
)
)