public async Task StreamWinderPerformanceTest()
{
var source = new CancellationTokenSource();
var testStream = new InfiniteStream(TweetSamples.GetBinalyStreamSamples(), source.Token);
var handler = new PseudoStreamHandler();
var received = 0;
source.CancelAfter(TimeSpan.FromSeconds(10));
var receiveTask = StreamWinder.Run(testStream, content =>
{
UserStreamParser.ParseStreamLine(content, handler);
received++;
}, Timeout.InfiniteTimeSpan, source.Token);
try
{
await receiveTask;
}
catch (OperationCanceledException)
{
// this is expected.
}
System.Diagnostics.Debug.WriteLine(received);
// i promise myself the cadena engine can handle > 10K events per second.
Debug.WriteLine("received: {0}", received);
Debug.WriteLine("handler: statuses: {0} / events: {1}", handler.ReceivedStatuses, handler.ReceivedEvents);
// Assert.IsTrue(received > 10000 * 10);
}
private void ParseLine(string json)
{
// reset error count and backoff flag
_hardErrorCount = 0;
_backoffMode = BackoffMode.None;
_stateUpdater.UpdateState();
ConnectionState = UserStreamsConnectionState.Connected;
UserStreamParser.ParseStreamLine(json, _handler);
}
public void UserStreamParserPerformanceTest()
{
var workingset = Environment.WorkingSet;
var parser = new JsonStringParser();
// pre-work
for (var i = 0; i < 100; i++)
{
foreach (var elem in TweetSamples.GetStreamSampleElements())
{
parser.Parse(elem);
}
}
var source = new CancellationTokenSource();
var handler = new PseudoStreamHandler();
var received = 0;
source.CancelAfter(TimeSpan.FromSeconds(10));
foreach (var content in TweetSamples.GetStreamSamples())
{
if (source.IsCancellationRequested)
{
break;
}
received++;
UserStreamParser.ParseStreamLine(parser, content, handler);
}
var wsa = Environment.WorkingSet;
TestContext.WriteLine("received: {0}", received);
TestContext.WriteLine("handler: statuses: {0} / events: {1}", handler.ReceivedStatuses,
handler.ReceivedEvents);
TestContext.WriteLine("cache: {0} / {1}", parser.CacheCount(), parser.ALQCount());
TestContext.WriteLine("workingset delta: {0}", wsa - workingset);
}
