// 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 ( DistSQLQueryHistogram = 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, 29), // 0.5ms ~ 1.5days }, []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.", }, ) DistSQLCoprCacheHistogram = prometheus.NewHistogramVec( prometheus.HistogramOpts{ Namespace: "tidb", Subsystem: "distsql", Name: "copr_cache", Help: "coprocessor cache hit, evict and miss number", Buckets: prometheus.ExponentialBuckets(1, 2, 16), }, []string{LblType}) )