public async Task PublishManyAsync() { var options = new RabbitOptions(); options.FactoryOptions.Uri = new Uri("amqp://*****:*****@localhost:5672/"); const int letterCount = 10_000; const int byteCount = 500; var pub = new Publisher( _fixture.ChannelPool, _fixture.SerializationProvider, _fixture.EncryptionProvider, _fixture.CompressionProvider); await pub .StartAutoPublishAsync() .ConfigureAwait(false); var queueNames = new List <string> { "TestQueue0", "TestQueue1", "TestQueue2", "TestQueue3", "TestQueue4", "TestQueue5", "TestQueue6", "TestQueue7", "TestQueue8", "TestQueue9", }; var letters = MessageExtensions.CreateManySimpleRandomLetters(queueNames, letterCount, byteCount); var sw = Stopwatch.StartNew(); await pub .PublishManyAsync(letters, false) .ConfigureAwait(false); sw.Stop(); const double kiloByteCount = byteCount / 1000.0; _fixture.Output.WriteLine($"Published {letterCount} letters, {kiloByteCount} KB each, in {sw.ElapsedMilliseconds} ms."); var rate = letterCount / (sw.ElapsedMilliseconds / 1000.0); var dataRate = rate * kiloByteCount; _fixture.Output.WriteLine($"Message Rate: {rate.ToString("0.###")} letters / sec, or {(dataRate / 1000.0).ToString("0.###")} MB/s"); }