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104 lines
3.3 KiB
104 lines
3.3 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 (
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"github.com/prometheus/client_golang/prometheus"
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)
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// Stats metrics.
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var (
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AutoAnalyzeHistogram = prometheus.NewHistogram(
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prometheus.HistogramOpts{
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Namespace: "tidb",
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Subsystem: "statistics",
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Name: "auto_analyze_duration_seconds",
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Help: "Bucketed histogram of processing time (s) of auto analyze.",
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Buckets: prometheus.ExponentialBuckets(0.01, 2, 24), // 10ms ~ 24h
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})
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AutoAnalyzeCounter = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: "tidb",
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Subsystem: "statistics",
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Name: "auto_analyze_total",
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Help: "Counter of auto analyze.",
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}, []string{LblType})
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StatsInaccuracyRate = prometheus.NewHistogram(
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prometheus.HistogramOpts{
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Namespace: "tidb",
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Subsystem: "statistics",
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Name: "stats_inaccuracy_rate",
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Help: "Bucketed histogram of stats inaccuracy rate.",
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Buckets: prometheus.ExponentialBuckets(0.01, 2, 14),
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})
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PseudoEstimation = prometheus.NewCounter(
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prometheus.CounterOpts{
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Namespace: "tidb",
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Subsystem: "statistics",
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Name: "pseudo_estimation_total",
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Help: "Counter of pseudo estimation caused by outdated stats.",
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})
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DumpFeedbackCounter = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: "tidb",
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Subsystem: "statistics",
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Name: "dump_feedback_total",
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Help: "Counter of dumping feedback.",
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}, []string{LblType})
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UpdateStatsCounter = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: "tidb",
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Subsystem: "statistics",
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Name: "update_stats_total",
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Help: "Counter of updating stats using feedback.",
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}, []string{LblType})
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StoreQueryFeedbackCounter = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: "tidb",
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Subsystem: "statistics",
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Name: "store_query_feedback_total",
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Help: "Counter of storing query feedback.",
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}, []string{LblType})
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GetStoreLimitErrorCounter = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: "tidb",
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Subsystem: "statistics",
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Name: "get_store_limit_token_error",
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Help: "store token is up to the limit, probably because one of the stores is the hotspot or unavailable",
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}, []string{LblAddress, LblStore})
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SignificantFeedbackCounter = prometheus.NewCounter(
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prometheus.CounterOpts{
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Namespace: "tidb",
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Subsystem: "statistics",
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Name: "high_error_rate_feedback_total",
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Help: "Counter of query feedback whose actual count is much different than calculated by current statistics",
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})
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FastAnalyzeHistogram = prometheus.NewHistogramVec(
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prometheus.HistogramOpts{
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Namespace: "tidb",
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Subsystem: "statistics",
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Name: "fast_analyze_status",
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Help: "Bucketed histogram of some stats in fast analyze.",
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Buckets: prometheus.ExponentialBuckets(1, 2, 16),
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}, []string{LblSQLType, LblType})
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)
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