static async Task Main() { var client = new EventClient() .UseKafka("topic1", "localhost:29092") .UseReflectionNameResolution() .UseJsonSerialization(); var stopwatch = new Stopwatch(); stopwatch.Start(); for (int i = 0; i < 100; i++) { await client.Publish(new SampleEvent { Id = Guid.NewGuid().ToString().ToLowerInvariant() }); } stopwatch.Stop(); Console.WriteLine($"Produced 100 messages in {stopwatch.ElapsedMilliseconds}ms"); var config = new ProducerConfig { BootstrapServers = "localhost:29092" }; var builder = new ProducerBuilder <string, string>(config); using (var producer = builder.Build()) { var fastclient = new EventClient() .UseKafka("topic1", () => producer) .UseReflectionNameResolution() .UseJsonSerialization(); stopwatch = new Stopwatch(); stopwatch.Start(); for (int i = 0; i < 100; i++) { await fastclient.Publish(new SampleEvent { Id = Guid.NewGuid().ToString().ToLowerInvariant() }); } stopwatch.Stop(); Console.WriteLine($"Fast client produced 100 messages in {stopwatch.ElapsedMilliseconds}ms"); } }