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resource_manager/client: introduce RU and Request metrics (tikv#6170)
close tikv#6136 Signed-off-by: Cabinfever_B <cabinfeveroier@gmail.com> Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>
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| Original file line number | Diff line number | Diff line change |
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| // Copyright 2023 TiKV Project Authors. | ||
| // | ||
| // 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. | ||
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| package controller | ||
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| import "github.com/prometheus/client_golang/prometheus" | ||
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| const ( | ||
| namespace = "resource_manager_client" | ||
| requestSubsystem = "request" | ||
| tokenRequestSubsystem = "token_request" | ||
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| resourceGroupNameLabel = "name" | ||
| ) | ||
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| var ( | ||
| resourceGroupStatusGauge = prometheus.NewGaugeVec( | ||
| prometheus.GaugeOpts{ | ||
| Namespace: namespace, | ||
| Subsystem: "resource_group", | ||
| Name: "status", | ||
| Help: "Status of the resource group.", | ||
| }, []string{resourceGroupNameLabel}) | ||
|
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| successfulRequestDuration = prometheus.NewHistogramVec( | ||
| prometheus.HistogramOpts{ | ||
| Namespace: namespace, | ||
| Subsystem: requestSubsystem, | ||
| Name: "success", | ||
| Buckets: prometheus.ExponentialBuckets(0.001, 4, 8), // 0.001 ~ 40.96 | ||
| Help: "Bucketed histogram of wait duration of successful request.", | ||
| }, []string{resourceGroupNameLabel}) | ||
|
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| failedRequestCounter = prometheus.NewCounterVec( | ||
| prometheus.CounterOpts{ | ||
| Namespace: namespace, | ||
| Subsystem: requestSubsystem, | ||
| Name: "fail", | ||
| Help: "Counter of failed request.", | ||
| }, []string{resourceGroupNameLabel}) | ||
|
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| tokenRequestDuration = prometheus.NewHistogramVec( | ||
| prometheus.HistogramOpts{ | ||
| Namespace: namespace, | ||
| Subsystem: tokenRequestSubsystem, | ||
| Name: "duration", | ||
| Help: "Bucketed histogram of latency(s) of token request.", | ||
| }, []string{"type"}) | ||
|
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| resourceGroupTokenRequestCounter = prometheus.NewCounterVec( | ||
| prometheus.CounterOpts{ | ||
| Namespace: namespace, | ||
| Subsystem: tokenRequestSubsystem, | ||
| Name: "resource_group", | ||
| Help: "Counter of token request by every resource group.", | ||
| }, []string{resourceGroupNameLabel}) | ||
| ) | ||
|
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| var ( | ||
| // WithLabelValues is a heavy operation, define variable to avoid call it every time. | ||
| failedTokenRequestDuration = tokenRequestDuration.WithLabelValues("fail") | ||
| successfulTokenRequestDuration = tokenRequestDuration.WithLabelValues("success") | ||
| ) | ||
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| func init() { | ||
| prometheus.MustRegister(resourceGroupStatusGauge) | ||
| prometheus.MustRegister(successfulRequestDuration) | ||
| prometheus.MustRegister(failedRequestCounter) | ||
| prometheus.MustRegister(tokenRequestDuration) | ||
| prometheus.MustRegister(resourceGroupTokenRequestCounter) | ||
| } |