static async Task Main(string[] args)
{
Log.Logger = new LoggerConfiguration()
.WriteTo.Console()
.MinimumLevel.Warning()
.WriteTo.Seq("http://localhost:5341")
.Enrich.WithProperty("AppName", "JustSaying.Benchmark")
.CreateLogger();
try
{
await Parser.Default.ParseArguments <JustSayingBenchmark>(args)
.MapResult(async a => await JustSayingBenchmark.RunTest(a),
errs => Task.CompletedTask);
}
finally
{
Log.CloseAndFlush();
}
}
public static async Task RunTest(JustSayingBenchmark options)
{
Console.WriteLine("Running benchmark with message count of {0}", options.MessageCount);
var capture = new MessageMetricCapture(options.MessageCount);
var services = new ServiceCollection()
.AddSingleton <IReportConsumerMetric>(capture)
.AddLogging(lg => lg.AddSerilog());
RegisterJustSaying(services);
var provider = services.BuildServiceProvider();
var publisher = provider.GetService <IMessagePublisher>();
using (Operation.Time("Executing startup work"))
{
await publisher.StartAsync(CancellationToken.None);
var bus = provider.GetService <IMessagingBus>();
await bus.StartAsync(CancellationToken.None);
}
Console.WriteLine("Completed startup, beginning benchmark");
var watch = new Stopwatch();
var taskBatches = Enumerable.Range(0, options.MessageCount).Batch(20)
.Select(async batch =>
{
var messageTasks =
batch.Select(id => new BenchmarkMessage(watch.Elapsed, id))
.Select(async x => await capture.Sent(x.Id, publisher.PublishAsync(x)));
await Task.WhenAll(messageTasks);
}).ToList();
var batchId = 1;
var batchCount = taskBatches.Count;
foreach (var taskBatch in taskBatches)
{
using (Operation.Time("Sending batch id {BatchId} of {BatchCount}",
batchId,
batchCount))
{
await taskBatch;
}
}
Log.Information("Waiting for sends to complete...");
await capture.SendCompleted;
Log.Information("Waiting for consumes to complete...");
await capture.ConsumeCompleted;
Log.Information("Sends and Consumes completed!");
var messageMetrics = capture.GetMessageMetrics();
Console.WriteLine("Avg Ack Time: {0:F0}ms",
messageMetrics.Average(x => x.AckLatency) * 1000 / Stopwatch.Frequency);
Console.WriteLine("Min Ack Time: {0:F0}ms",
messageMetrics.Min(x => x.AckLatency) * 1000 / Stopwatch.Frequency);
Console.WriteLine("Max Ack Time: {0:F0}ms",
messageMetrics.Max(x => x.AckLatency) * 1000 / Stopwatch.Frequency);
Console.WriteLine("Med Ack Time: {0:F0}ms",
messageMetrics.Median(x => x.AckLatency) * 1000 / Stopwatch.Frequency);
Console.WriteLine("95t Ack Time: {0:F0}ms",
messageMetrics.Percentile(x => x.AckLatency) * 1000 / Stopwatch.Frequency);
Console.WriteLine("Avg Consume Time: {0:F0}ms",
messageMetrics.Average(x => x.ConsumeLatency) * 1000 / Stopwatch.Frequency);
Console.WriteLine("Min Consume Time: {0:F0}ms",
messageMetrics.Min(x => x.ConsumeLatency) * 1000 / Stopwatch.Frequency);
Console.WriteLine("Max Consume Time: {0:F0}ms",
messageMetrics.Max(x => x.ConsumeLatency) * 1000 / Stopwatch.Frequency);
Console.WriteLine("Med Consume Time: {0:F0}ms",
messageMetrics.Median(x => x.ConsumeLatency) * 1000 / Stopwatch.Frequency);
Console.WriteLine("95t Consume Time: {0:F0}ms",
messageMetrics.Percentile(x => x.ConsumeLatency) * 1000 / Stopwatch.Frequency);
DrawResponseTimeGraph(messageMetrics, m => m.ConsumeLatency);
}
