37575dc41c
Side-by-side performance benchmarks using NATS.Client.Core against both servers on ephemeral ports. Includes core pub/sub, request/reply latency, and JetStream throughput tests with comparison output and benchmarks_comparison.md results. Also fixes timestamp flakiness in StoreInterfaceTests by using explicit timestamps.
64 lines
2.2 KiB
C#
64 lines
2.2 KiB
C#
using NATS.Client.Core;
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using NATS.Server.Benchmark.Tests.Harness;
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using NATS.Server.Benchmark.Tests.Infrastructure;
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using Xunit.Abstractions;
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namespace NATS.Server.Benchmark.Tests.CorePubSub;
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[Collection("Benchmark-Core")]
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public class SinglePublisherThroughputTests(CoreServerPairFixture fixture, ITestOutputHelper output)
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{
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private readonly BenchmarkRunner _runner = new() { WarmupCount = 1_000, MeasurementCount = 100_000 };
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[Fact]
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[Trait("Category", "Benchmark")]
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public async Task PubNoSub_16B()
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{
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const int payloadSize = 16;
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var payload = new byte[payloadSize];
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const string subject = "bench.pub.nosub.16";
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var dotnetResult = await RunThroughput("Single Publisher (16B)", "DotNet", subject, payload, fixture.CreateDotNetClient);
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if (fixture.GoAvailable)
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{
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var goResult = await RunThroughput("Single Publisher (16B)", "Go", subject, payload, fixture.CreateGoClient);
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BenchmarkResultWriter.WriteComparison(output, goResult, dotnetResult);
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}
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else
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{
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BenchmarkResultWriter.WriteSingle(output, dotnetResult);
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}
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}
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[Fact]
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[Trait("Category", "Benchmark")]
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public async Task PubNoSub_128B()
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{
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const int payloadSize = 128;
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var payload = new byte[payloadSize];
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const string subject = "bench.pub.nosub.128";
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var dotnetResult = await RunThroughput("Single Publisher (128B)", "DotNet", subject, payload, fixture.CreateDotNetClient);
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if (fixture.GoAvailable)
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{
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var goResult = await RunThroughput("Single Publisher (128B)", "Go", subject, payload, fixture.CreateGoClient);
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BenchmarkResultWriter.WriteComparison(output, goResult, dotnetResult);
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}
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else
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{
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BenchmarkResultWriter.WriteSingle(output, dotnetResult);
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}
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}
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private async Task<BenchmarkResult> RunThroughput(string name, string serverType, string subject, byte[] payload, Func<NatsConnection> createClient)
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{
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await using var client = createClient();
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await client.ConnectAsync();
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return await _runner.MeasureThroughputAsync(name, serverType, payload.Length,
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async _ => await client.PublishAsync(subject, payload));
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}
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}
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