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147 lines
5.0 KiB
147 lines
5.0 KiB
// Copyright 2018 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package metrics
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import "github.com/prometheus/client_golang/prometheus"
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// Session metrics.
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var (
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SessionExecuteParseDuration = prometheus.NewHistogramVec(
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prometheus.HistogramOpts{
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Namespace: "tidb",
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Subsystem: "session",
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Name: "parse_duration_seconds",
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Help: "Bucketed histogram of processing time (s) in parse SQL.",
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Buckets: prometheus.ExponentialBuckets(0.00004, 2, 28), // 40us ~ 1.5h
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}, []string{LblSQLType})
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SessionExecuteCompileDuration = prometheus.NewHistogramVec(
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prometheus.HistogramOpts{
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Namespace: "tidb",
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Subsystem: "session",
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Name: "compile_duration_seconds",
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Help: "Bucketed histogram of processing time (s) in query optimize.",
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// Build plan may execute the statement, or allocate table ID, so it might take a long time.
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Buckets: prometheus.ExponentialBuckets(0.00004, 2, 28), // 40us ~ 1.5h
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}, []string{LblSQLType})
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SessionExecuteRunDuration = prometheus.NewHistogramVec(
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prometheus.HistogramOpts{
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Namespace: "tidb",
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Subsystem: "session",
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Name: "execute_duration_seconds",
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Help: "Bucketed histogram of processing time (s) in running executor.",
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Buckets: prometheus.ExponentialBuckets(0.0001, 2, 30), // 100us ~ 15h
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}, []string{LblSQLType})
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SchemaLeaseErrorCounter = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: "tidb",
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Subsystem: "session",
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Name: "schema_lease_error_total",
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Help: "Counter of schema lease error",
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}, []string{LblType})
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SessionRetry = prometheus.NewHistogram(
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prometheus.HistogramOpts{
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Namespace: "tidb",
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Subsystem: "session",
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Name: "retry_num",
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Help: "Bucketed histogram of session retry count.",
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Buckets: prometheus.LinearBuckets(0, 1, 21), // 0 ~ 20
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})
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SessionRetryErrorCounter = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: "tidb",
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Subsystem: "session",
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Name: "retry_error_total",
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Help: "Counter of session retry error.",
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}, []string{LblSQLType, LblType})
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SessionRestrictedSQLCounter = prometheus.NewCounter(
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prometheus.CounterOpts{
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Namespace: "tidb",
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Subsystem: "session",
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Name: "restricted_sql_total",
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Help: "Counter of internal restricted sql.",
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})
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StatementPerTransaction = prometheus.NewHistogramVec(
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prometheus.HistogramOpts{
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Namespace: "tidb",
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Subsystem: "session",
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Name: "transaction_statement_num",
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Help: "Bucketed histogram of statements count in each transaction.",
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Buckets: prometheus.ExponentialBuckets(1, 2, 16), // 1 ~ 32768
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}, []string{LbTxnMode, LblType})
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TransactionDuration = prometheus.NewHistogramVec(
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prometheus.HistogramOpts{
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Namespace: "tidb",
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Subsystem: "session",
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Name: "transaction_duration_seconds",
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Help: "Bucketed histogram of a transaction execution duration, including retry.",
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Buckets: prometheus.ExponentialBuckets(0.001, 2, 28), // 1ms ~ 1.5days
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}, []string{LbTxnMode, LblType})
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StatementDeadlockDetectDuration = prometheus.NewHistogram(
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prometheus.HistogramOpts{
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Namespace: "tidb",
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Subsystem: "session",
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Name: "statement_deadlock_detect_duration_seconds",
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Help: "Bucketed histogram of a statement deadlock detect duration.",
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Buckets: prometheus.ExponentialBuckets(0.001, 2, 28), // 1ms ~ 1.5days
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},
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)
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StatementPessimisticRetryCount = prometheus.NewHistogram(
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prometheus.HistogramOpts{
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Namespace: "tidb",
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Subsystem: "session",
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Name: "statement_pessimistic_retry_count",
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Help: "Bucketed histogram of statement pessimistic retry count",
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Buckets: prometheus.ExponentialBuckets(1, 2, 16), // 1 ~ 32768
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})
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StatementLockKeysCount = prometheus.NewHistogram(
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prometheus.HistogramOpts{
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Namespace: "tidb",
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Subsystem: "session",
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Name: "statement_lock_keys_count",
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Help: "Keys locking for a single statement",
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Buckets: prometheus.ExponentialBuckets(1, 2, 21), // 1 ~ 1048576
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})
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)
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// Label constants.
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const (
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LblUnretryable = "unretryable"
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LblReachMax = "reach_max"
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LblOK = "ok"
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LblError = "error"
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LblCommit = "commit"
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LblAbort = "abort"
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LblRollback = "rollback"
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LblType = "type"
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LblDb = "db"
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LblResult = "result"
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LblSQLType = "sql_type"
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LblGeneral = "general"
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LblInternal = "internal"
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LbTxnMode = "txn_mode"
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LblPessimistic = "pessimistic"
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LblOptimistic = "optimistic"
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LblStore = "store"
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LblAddress = "address"
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LblBatchGet = "batch_get"
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LblGet = "get"
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LblLockKeys = "lock_keys"
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LblInTxn = "in_txn"
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)
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