opentelemetry-collector/processor/batchprocessor/splitmetrics_test.go

236 lines
10 KiB
Go

// Copyright The OpenTelemetry 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 batchprocessor
import (
"testing"
"github.com/stretchr/testify/assert"
"go.opentelemetry.io/collector/consumer/pdata"
"go.opentelemetry.io/collector/internal/testdata"
)
func TestSplitMetrics_noop(t *testing.T) {
td := testdata.GenerateMetricsManyMetricsSameResource(20)
splitSize := 40
split := splitMetrics(splitSize, td)
assert.Equal(t, td, split)
td.ResourceMetrics().At(0).InstrumentationLibraryMetrics().At(0).Metrics().Resize(5)
assert.EqualValues(t, td, split)
}
func TestSplitMetrics(t *testing.T) {
md := testdata.GenerateMetricsManyMetricsSameResource(20)
metrics := md.ResourceMetrics().At(0).InstrumentationLibraryMetrics().At(0).Metrics()
dataPointCount := metricDataPointCount(metrics.At(0))
for i := 0; i < metrics.Len(); i++ {
metrics.At(i).SetName(getTestMetricName(0, i))
assert.Equal(t, dataPointCount, metricDataPointCount(metrics.At(i)))
}
cp := pdata.NewMetrics()
cpMetrics := cp.ResourceMetrics().AppendEmpty().InstrumentationLibraryMetrics().AppendEmpty().Metrics()
cpMetrics.Resize(5)
md.ResourceMetrics().At(0).InstrumentationLibraryMetrics().At(0).InstrumentationLibrary().CopyTo(
cp.ResourceMetrics().At(0).InstrumentationLibraryMetrics().At(0).InstrumentationLibrary())
md.ResourceMetrics().At(0).Resource().CopyTo(
cp.ResourceMetrics().At(0).Resource())
metrics.At(0).CopyTo(cpMetrics.At(0))
metrics.At(1).CopyTo(cpMetrics.At(1))
metrics.At(2).CopyTo(cpMetrics.At(2))
metrics.At(3).CopyTo(cpMetrics.At(3))
metrics.At(4).CopyTo(cpMetrics.At(4))
splitMetricCount := 5
splitSize := splitMetricCount * dataPointCount
split := splitMetrics(splitSize, md)
assert.Equal(t, splitMetricCount, split.MetricCount())
assert.Equal(t, cp, split)
assert.Equal(t, 15, md.MetricCount())
assert.Equal(t, "test-metric-int-0-0", split.ResourceMetrics().At(0).InstrumentationLibraryMetrics().At(0).Metrics().At(0).Name())
assert.Equal(t, "test-metric-int-0-4", split.ResourceMetrics().At(0).InstrumentationLibraryMetrics().At(0).Metrics().At(4).Name())
split = splitMetrics(splitSize, md)
assert.Equal(t, 10, md.MetricCount())
assert.Equal(t, "test-metric-int-0-5", split.ResourceMetrics().At(0).InstrumentationLibraryMetrics().At(0).Metrics().At(0).Name())
assert.Equal(t, "test-metric-int-0-9", split.ResourceMetrics().At(0).InstrumentationLibraryMetrics().At(0).Metrics().At(4).Name())
split = splitMetrics(splitSize, md)
assert.Equal(t, 5, md.MetricCount())
assert.Equal(t, "test-metric-int-0-10", split.ResourceMetrics().At(0).InstrumentationLibraryMetrics().At(0).Metrics().At(0).Name())
assert.Equal(t, "test-metric-int-0-14", split.ResourceMetrics().At(0).InstrumentationLibraryMetrics().At(0).Metrics().At(4).Name())
split = splitMetrics(splitSize, md)
assert.Equal(t, 5, md.MetricCount())
assert.Equal(t, "test-metric-int-0-15", split.ResourceMetrics().At(0).InstrumentationLibraryMetrics().At(0).Metrics().At(0).Name())
assert.Equal(t, "test-metric-int-0-19", split.ResourceMetrics().At(0).InstrumentationLibraryMetrics().At(0).Metrics().At(4).Name())
}
func TestSplitMetricsMultipleResourceSpans(t *testing.T) {
md := testdata.GenerateMetricsManyMetricsSameResource(20)
metrics := md.ResourceMetrics().At(0).InstrumentationLibraryMetrics().At(0).Metrics()
dataPointCount := metricDataPointCount(metrics.At(0))
for i := 0; i < metrics.Len(); i++ {
metrics.At(i).SetName(getTestMetricName(0, i))
assert.Equal(t, dataPointCount, metricDataPointCount(metrics.At(i)))
}
// add second index to resource metrics
testdata.GenerateMetricsManyMetricsSameResource(20).
ResourceMetrics().At(0).CopyTo(md.ResourceMetrics().AppendEmpty())
metrics = md.ResourceMetrics().At(1).InstrumentationLibraryMetrics().At(0).Metrics()
for i := 0; i < metrics.Len(); i++ {
metrics.At(i).SetName(getTestMetricName(1, i))
}
splitMetricCount := 5
splitSize := splitMetricCount * dataPointCount
split := splitMetrics(splitSize, md)
assert.Equal(t, splitMetricCount, split.MetricCount())
assert.Equal(t, 35, md.MetricCount())
assert.Equal(t, "test-metric-int-0-0", split.ResourceMetrics().At(0).InstrumentationLibraryMetrics().At(0).Metrics().At(0).Name())
assert.Equal(t, "test-metric-int-0-4", split.ResourceMetrics().At(0).InstrumentationLibraryMetrics().At(0).Metrics().At(4).Name())
}
func TestSplitMetricsMultipleResourceSpans_SplitSizeGreaterThanMetricSize(t *testing.T) {
td := testdata.GenerateMetricsManyMetricsSameResource(20)
metrics := td.ResourceMetrics().At(0).InstrumentationLibraryMetrics().At(0).Metrics()
dataPointCount := metricDataPointCount(metrics.At(0))
for i := 0; i < metrics.Len(); i++ {
metrics.At(i).SetName(getTestMetricName(0, i))
assert.Equal(t, dataPointCount, metricDataPointCount(metrics.At(i)))
}
td.ResourceMetrics().Resize(2)
// add second index to resource metrics
testdata.GenerateMetricsManyMetricsSameResource(20).
ResourceMetrics().At(0).CopyTo(td.ResourceMetrics().At(1))
metrics = td.ResourceMetrics().At(1).InstrumentationLibraryMetrics().At(0).Metrics()
for i := 0; i < metrics.Len(); i++ {
metrics.At(i).SetName(getTestMetricName(1, i))
}
splitMetricCount := 25
splitSize := splitMetricCount * dataPointCount
split := splitMetrics(splitSize, td)
assert.Equal(t, splitMetricCount, split.MetricCount())
assert.Equal(t, 40-splitMetricCount, td.MetricCount())
assert.Equal(t, 1, td.ResourceMetrics().Len())
assert.Equal(t, "test-metric-int-0-0", split.ResourceMetrics().At(0).InstrumentationLibraryMetrics().At(0).Metrics().At(0).Name())
assert.Equal(t, "test-metric-int-0-19", split.ResourceMetrics().At(0).InstrumentationLibraryMetrics().At(0).Metrics().At(19).Name())
assert.Equal(t, "test-metric-int-1-0", split.ResourceMetrics().At(1).InstrumentationLibraryMetrics().At(0).Metrics().At(0).Name())
assert.Equal(t, "test-metric-int-1-4", split.ResourceMetrics().At(1).InstrumentationLibraryMetrics().At(0).Metrics().At(4).Name())
}
func BenchmarkSplitMetrics(b *testing.B) {
md := pdata.NewMetrics()
rms := md.ResourceMetrics()
for i := 0; i < 20; i++ {
testdata.GenerateMetricsManyMetricsSameResource(20).ResourceMetrics().MoveAndAppendTo(md.ResourceMetrics())
ms := rms.At(rms.Len() - 1).InstrumentationLibraryMetrics().At(0).Metrics()
for i := 0; i < ms.Len(); i++ {
ms.At(i).SetName(getTestMetricName(1, i))
}
}
b.ReportAllocs()
b.ResetTimer()
for n := 0; n < b.N; n++ {
cloneReq := md.Clone()
split := splitMetrics(128, cloneReq)
if split.MetricCount() != 128 || cloneReq.MetricCount() != 400-128 {
b.Fail()
}
}
}
func BenchmarkCloneMetrics(b *testing.B) {
md := pdata.NewMetrics()
rms := md.ResourceMetrics()
for i := 0; i < 20; i++ {
testdata.GenerateMetricsManyMetricsSameResource(20).ResourceMetrics().MoveAndAppendTo(md.ResourceMetrics())
ms := rms.At(rms.Len() - 1).InstrumentationLibraryMetrics().At(0).Metrics()
for i := 0; i < ms.Len(); i++ {
ms.At(i).SetName(getTestMetricName(1, i))
}
}
b.ReportAllocs()
b.ResetTimer()
for n := 0; n < b.N; n++ {
cloneReq := md.Clone()
if cloneReq.MetricCount() != 400 {
b.Fail()
}
}
}
func TestSplitMetricsUneven(t *testing.T) {
md := testdata.GenerateMetricsManyMetricsSameResource(10)
metrics := md.ResourceMetrics().At(0).InstrumentationLibraryMetrics().At(0).Metrics()
dataPointCount := 2
for i := 0; i < metrics.Len(); i++ {
metrics.At(i).SetName(getTestMetricName(0, i))
assert.Equal(t, dataPointCount, metricDataPointCount(metrics.At(i)))
}
splitSize := 9
split := splitMetrics(splitSize, md)
assert.Equal(t, 5, split.MetricCount())
assert.Equal(t, 6, md.MetricCount())
assert.Equal(t, "test-metric-int-0-0", split.ResourceMetrics().At(0).InstrumentationLibraryMetrics().At(0).Metrics().At(0).Name())
assert.Equal(t, "test-metric-int-0-4", split.ResourceMetrics().At(0).InstrumentationLibraryMetrics().At(0).Metrics().At(4).Name())
split = splitMetrics(splitSize, md)
assert.Equal(t, 5, split.MetricCount())
assert.Equal(t, 1, md.MetricCount())
assert.Equal(t, "test-metric-int-0-4", split.ResourceMetrics().At(0).InstrumentationLibraryMetrics().At(0).Metrics().At(0).Name())
assert.Equal(t, "test-metric-int-0-8", split.ResourceMetrics().At(0).InstrumentationLibraryMetrics().At(0).Metrics().At(4).Name())
split = splitMetrics(splitSize, md)
assert.Equal(t, 1, split.MetricCount())
assert.Equal(t, "test-metric-int-0-9", split.ResourceMetrics().At(0).InstrumentationLibraryMetrics().At(0).Metrics().At(0).Name())
}
func TestSplitMetricsBatchSizeSmallerThanDataPointCount(t *testing.T) {
md := testdata.GenerateMetricsManyMetricsSameResource(2)
metrics := md.ResourceMetrics().At(0).InstrumentationLibraryMetrics().At(0).Metrics()
dataPointCount := 2
for i := 0; i < metrics.Len(); i++ {
metrics.At(i).SetName(getTestMetricName(0, i))
assert.Equal(t, dataPointCount, metricDataPointCount(metrics.At(i)))
}
splitSize := 1
split := splitMetrics(splitSize, md)
assert.Equal(t, 1, split.MetricCount())
assert.Equal(t, 2, md.MetricCount())
assert.Equal(t, "test-metric-int-0-0", split.ResourceMetrics().At(0).InstrumentationLibraryMetrics().At(0).Metrics().At(0).Name())
split = splitMetrics(splitSize, md)
assert.Equal(t, 1, split.MetricCount())
assert.Equal(t, 1, md.MetricCount())
assert.Equal(t, "test-metric-int-0-0", split.ResourceMetrics().At(0).InstrumentationLibraryMetrics().At(0).Metrics().At(0).Name())
split = splitMetrics(splitSize, md)
assert.Equal(t, 1, split.MetricCount())
assert.Equal(t, 1, md.MetricCount())
assert.Equal(t, "test-metric-int-0-1", split.ResourceMetrics().At(0).InstrumentationLibraryMetrics().At(0).Metrics().At(0).Name())
split = splitMetrics(splitSize, md)
assert.Equal(t, 1, split.MetricCount())
assert.Equal(t, 1, md.MetricCount())
assert.Equal(t, "test-metric-int-0-1", split.ResourceMetrics().At(0).InstrumentationLibraryMetrics().At(0).Metrics().At(0).Name())
}