mirror of
https://github.com/prometheus/prometheus.git
synced 2024-11-14 01:24:04 -08:00
92d6980360
Use AppendableGauge to detect corrupt chunk with gauge histograms. Detect if first sample is a gauge but the chunk is not set up to contain gauge histograms. Signed-off-by: György Krajcsovits <gyorgy.krajcsovits@grafana.com> Signed-off-by: George Krajcsovits <krajorama@users.noreply.github.com>
121 lines
3.4 KiB
Go
121 lines
3.4 KiB
Go
// Copyright 2023 The Prometheus 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.
|
|
|
|
package tsdbutil
|
|
|
|
import (
|
|
"math/rand"
|
|
|
|
"github.com/prometheus/prometheus/model/histogram"
|
|
)
|
|
|
|
func GenerateTestHistograms(n int) (r []*histogram.Histogram) {
|
|
for i := 0; i < n; i++ {
|
|
h := GenerateTestHistogram(i)
|
|
if i > 0 {
|
|
h.CounterResetHint = histogram.NotCounterReset
|
|
}
|
|
r = append(r, h)
|
|
}
|
|
return r
|
|
}
|
|
|
|
// GenerateTestHistogram but it is up to the user to set any known counter reset hint.
|
|
func GenerateTestHistogram(i int) *histogram.Histogram {
|
|
return &histogram.Histogram{
|
|
Count: 10 + uint64(i*8),
|
|
ZeroCount: 2 + uint64(i),
|
|
ZeroThreshold: 0.001,
|
|
Sum: 18.4 * float64(i+1),
|
|
Schema: 1,
|
|
PositiveSpans: []histogram.Span{
|
|
{Offset: 0, Length: 2},
|
|
{Offset: 1, Length: 2},
|
|
},
|
|
PositiveBuckets: []int64{int64(i + 1), 1, -1, 0},
|
|
NegativeSpans: []histogram.Span{
|
|
{Offset: 0, Length: 2},
|
|
{Offset: 1, Length: 2},
|
|
},
|
|
NegativeBuckets: []int64{int64(i + 1), 1, -1, 0},
|
|
}
|
|
}
|
|
|
|
func GenerateTestGaugeHistograms(n int) (r []*histogram.Histogram) {
|
|
for x := 0; x < n; x++ {
|
|
r = append(r, GenerateTestGaugeHistogram(rand.Intn(n)))
|
|
}
|
|
return r
|
|
}
|
|
|
|
func GenerateTestGaugeHistogram(i int) *histogram.Histogram {
|
|
h := GenerateTestHistogram(i)
|
|
h.CounterResetHint = histogram.GaugeType
|
|
return h
|
|
}
|
|
|
|
func GenerateTestFloatHistograms(n int) (r []*histogram.FloatHistogram) {
|
|
for i := 0; i < n; i++ {
|
|
h := GenerateTestFloatHistogram(i)
|
|
if i > 0 {
|
|
h.CounterResetHint = histogram.NotCounterReset
|
|
}
|
|
r = append(r, h)
|
|
}
|
|
return r
|
|
}
|
|
|
|
// GenerateTestFloatHistogram but it is up to the user to set any known counter reset hint.
|
|
func GenerateTestFloatHistogram(i int) *histogram.FloatHistogram {
|
|
return &histogram.FloatHistogram{
|
|
Count: 10 + float64(i*8),
|
|
ZeroCount: 2 + float64(i),
|
|
ZeroThreshold: 0.001,
|
|
Sum: 18.4 * float64(i+1),
|
|
Schema: 1,
|
|
PositiveSpans: []histogram.Span{
|
|
{Offset: 0, Length: 2},
|
|
{Offset: 1, Length: 2},
|
|
},
|
|
PositiveBuckets: []float64{float64(i + 1), float64(i + 2), float64(i + 1), float64(i + 1)},
|
|
NegativeSpans: []histogram.Span{
|
|
{Offset: 0, Length: 2},
|
|
{Offset: 1, Length: 2},
|
|
},
|
|
NegativeBuckets: []float64{float64(i + 1), float64(i + 2), float64(i + 1), float64(i + 1)},
|
|
}
|
|
}
|
|
|
|
func GenerateTestGaugeFloatHistograms(n int) (r []*histogram.FloatHistogram) {
|
|
for x := 0; x < n; x++ {
|
|
r = append(r, GenerateTestGaugeFloatHistogram(rand.Intn(n)))
|
|
}
|
|
return r
|
|
}
|
|
|
|
func GenerateTestGaugeFloatHistogram(i int) *histogram.FloatHistogram {
|
|
h := GenerateTestFloatHistogram(i)
|
|
h.CounterResetHint = histogram.GaugeType
|
|
return h
|
|
}
|
|
|
|
func SetHistogramNotCounterReset(h *histogram.Histogram) *histogram.Histogram {
|
|
h.CounterResetHint = histogram.NotCounterReset
|
|
return h
|
|
}
|
|
|
|
func SetFloatHistogramNotCounterReset(h *histogram.FloatHistogram) *histogram.FloatHistogram {
|
|
h.CounterResetHint = histogram.NotCounterReset
|
|
return h
|
|
}
|