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https://github.com/prometheus/prometheus.git
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c10780c966
This commit adds telemetry for the Prometheus expression rule evaluator, which will enable meta-Prometheus monitoring of customers to ensure that no instance is falling behind in answering routine queries. A few other sundry simplifications are introduced, too.
35 lines
1.2 KiB
Go
35 lines
1.2 KiB
Go
// Copyright 2013 Prometheus Team
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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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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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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 rules
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import (
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"github.com/prometheus/client_golang/prometheus"
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)
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const (
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intervalKey = "interval"
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)
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var (
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evalDurations = prometheus.NewHistogram(&prometheus.HistogramSpecification{
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Starts: prometheus.LogarithmicSizedBucketsFor(0, 10000),
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BucketBuilder: prometheus.AccumulatingBucketBuilder(prometheus.EvictAndReplaceWith(10, prometheus.AverageReducer), 100),
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ReportablePercentiles: []float64{0.01, 0.05, 0.5, 0.90, 0.99}})
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evalDuration = prometheus.NewCounter()
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)
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func init() {
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prometheus.Register("prometheus_evaluator_duration_ms", "The duration for each evaluation pool to execute.", prometheus.NilLabels, evalDurations)
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}
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