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Signed-off-by: Thomas Jackson <jacksontj.89@gmail.com>
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// Copyright 2019 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 v1 | ||
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import ( | ||
"encoding/json" | ||
"strconv" | ||
"testing" | ||
"time" | ||
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jsoniter "github.com/json-iterator/go" | ||
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"github.com/prometheus/common/model" | ||
) | ||
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func generateData(timeseries, datapoints int) model.Matrix { | ||
m := make(model.Matrix, 0) | ||
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for i := 0; i < timeseries; i++ { | ||
lset := map[model.LabelName]model.LabelValue{ | ||
model.MetricNameLabel: model.LabelValue("timeseries_" + strconv.Itoa(i)), | ||
} | ||
now := model.Now() | ||
values := make([]model.SamplePair, datapoints) | ||
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for x := datapoints; x > 0; x-- { | ||
values[x-1] = model.SamplePair{ | ||
// Set the time back assuming a 15s interval. Since this is used for | ||
// Marshal/Unmarshal testing the actual interval doesn't matter. | ||
Timestamp: now.Add(time.Second * -15 * time.Duration(x)), | ||
Value: model.SampleValue(float64(x)), | ||
} | ||
} | ||
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ss := &model.SampleStream{ | ||
Metric: model.Metric(lset), | ||
Values: values, | ||
} | ||
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m = append(m, ss) | ||
} | ||
return m | ||
} | ||
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func BenchmarkSamplesJsonSerialization(b *testing.B) { | ||
for _, timeseriesCount := range []int{10, 100, 1000} { | ||
b.Run(strconv.Itoa(timeseriesCount), func(b *testing.B) { | ||
for _, datapointCount := range []int{10, 100, 1000} { | ||
b.Run(strconv.Itoa(datapointCount), func(b *testing.B) { | ||
data := generateData(timeseriesCount, datapointCount) | ||
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dataBytes, err := json.Marshal(data) | ||
if err != nil { | ||
b.Fatalf("Error marshaling: %v", err) | ||
} | ||
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b.Run("marshal", func(b *testing.B) { | ||
b.Run("encoding/json", func(b *testing.B) { | ||
b.ReportAllocs() | ||
for i := 0; i < b.N; i++ { | ||
if _, err := json.Marshal(data); err != nil { | ||
b.Fatal(err) | ||
} | ||
} | ||
}) | ||
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b.Run("jsoniter", func(b *testing.B) { | ||
b.ReportAllocs() | ||
for i := 0; i < b.N; i++ { | ||
if _, err := jsoniter.Marshal(data); err != nil { | ||
b.Fatal(err) | ||
} | ||
} | ||
}) | ||
}) | ||
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b.Run("unmarshal", func(b *testing.B) { | ||
b.Run("encoding/json", func(b *testing.B) { | ||
b.ReportAllocs() | ||
var m model.Matrix | ||
for i := 0; i < b.N; i++ { | ||
if err := json.Unmarshal(dataBytes, &m); err != nil { | ||
b.Fatal(err) | ||
} | ||
} | ||
}) | ||
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b.Run("jsoniter", func(b *testing.B) { | ||
b.ReportAllocs() | ||
var m model.Matrix | ||
for i := 0; i < b.N; i++ { | ||
if err := jsoniter.Unmarshal(dataBytes, &m); err != nil { | ||
b.Fatal(err) | ||
} | ||
} | ||
}) | ||
}) | ||
}) | ||
} | ||
}) | ||
} | ||
} |