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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,99 @@ | ||
| // <copyright file="Program.cs" company="OpenTelemetry Authors"> | ||
| // 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. | ||
| // </copyright> | ||
|
|
||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Diagnostics; | ||
| using System.Diagnostics.Metrics; | ||
| using System.Threading; | ||
| using System.Threading.Tasks; | ||
|
|
||
| namespace OpenTelemetry.Metrics.Tests.Stress | ||
| { | ||
| public class Program | ||
| { | ||
| private static readonly Meter MyMeter = new Meter("TestMeter", "0.0.1"); | ||
| private static readonly Counter<long> Counter = MyMeter.CreateCounter<long>("counter"); | ||
| private static string[] dimensionValues = new string[] { "DimVal1", "DimVal2", "DimVal3", "DimVal4", "DimVal5", "DimVal6", "DimVal7", "DimVal8", "DimVal9", "DimVal10" }; | ||
| private static Random random = new Random(); | ||
|
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| public static void Main(string[] args) | ||
| { | ||
| long numberOfMetricWriters = Environment.ProcessorCount; | ||
| long maxWritesPerWriter = 10000000; | ||
| var writes = new long[numberOfMetricWriters]; | ||
| using var meterProvider = Sdk.CreateMeterProviderBuilder() | ||
| .AddSource("TestMeter") | ||
| .Build(); | ||
| Stopwatch sw = new Stopwatch(); | ||
| sw.Start(); | ||
|
|
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| Parallel.Invoke( | ||
| () => | ||
| { | ||
| var watch = new Stopwatch(); | ||
| while (true) | ||
| { | ||
| long totalWrites = 0; | ||
| for (int i = 0; i < numberOfMetricWriters; i++) | ||
| { | ||
| totalWrites += writes[i]; | ||
| } | ||
|
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| watch.Restart(); | ||
| Thread.Sleep(1000); | ||
| watch.Stop(); | ||
|
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| long newTotalWrites = 0; | ||
| for (int i = 0; i < numberOfMetricWriters; i++) | ||
| { | ||
| newTotalWrites += writes[i]; | ||
| } | ||
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| var writesPerSec = (newTotalWrites - totalWrites) / (watch.ElapsedMilliseconds / 1000.0); | ||
| Console.Title = $"Writes (Million/Sec): {writesPerSec / 1000000}"; | ||
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| if (totalWrites > numberOfMetricWriters * maxWritesPerWriter) | ||
| { | ||
| break; | ||
| } | ||
| } | ||
| }, () => | ||
| { | ||
| Parallel.For(0, numberOfMetricWriters, i | ||
| => | ||
| { | ||
| Console.WriteLine($"Metric writer {i} started."); | ||
| while (writes[i]++ < maxWritesPerWriter) | ||
| { | ||
| // 10 * 10 * 10 = 1000 unique combination is produced | ||
| // which is well within the current hard-coded cap of | ||
| // 2000. | ||
| var tag1 = new KeyValuePair<string, object>("DimName1", dimensionValues[random.Next(0, 10)]); | ||
| var tag2 = new KeyValuePair<string, object>("DimName2", dimensionValues[random.Next(0, 10)]); | ||
| var tag3 = new KeyValuePair<string, object>("DimName3", dimensionValues[random.Next(0, 10)]); | ||
| Counter.Add(100, tag1, tag2, tag3); | ||
| } | ||
|
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| Console.WriteLine($"Metric writer {i} completed."); | ||
| }); | ||
| }); | ||
|
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| var rate = (double)(numberOfMetricWriters * maxWritesPerWriter) / (sw.ElapsedMilliseconds / 1000); | ||
| Console.WriteLine($"{rate / 1000000} M/sec."); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| # OpenTelemetry Metrics Stress Run | ||
|
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| Use the following example to run Stress test from command line: | ||
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| Navigate to `./test/StressTestMetrics` directory and run the following command: | ||
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| `dotnet run --framework netcoreapp3.1 --configuration Release` | ||
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| The program shows the writes/sec on the console window title | ||
| and updates it every second. | ||
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| At the end of the run, it also shows the overall writes/sec. |
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| <Project Sdk="Microsoft.NET.Sdk"> | ||
|
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| <PropertyGroup> | ||
| <OutputType>Exe</OutputType> | ||
| <TargetFrameworks>netcoreapp3.1;net5.0;net462</TargetFrameworks> | ||
| <IsPackable>false</IsPackable> | ||
| </PropertyGroup> | ||
|
|
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| <ItemGroup> | ||
| <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry\OpenTelemetry.csproj" /> | ||
| </ItemGroup> | ||
|
|
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| </Project> |