Examples with RateMeasure org.nustaq.kontraktor.util.RateMeasure used on opensource projects

Example 16 with RateMeasure

use of org.nustaq.kontraktor.util.RateMeasure in project kontraktor by RuedigerMoeller.

the class AkkaInterop method serveAkkaKontraktorAsBridge.

@Test
@Ignore
public void serveAkkaKontraktorAsBridge() throws InterruptedException {
    Log.setLevel(Log.DEBUG);
    final int NUM_MSG = 20_000_000;
    final ActorSystem system = ActorSystem.create("reactive-interop");
    // Attention: buffer + batchsizes of Akka need increase in order to get performance
    final ActorMaterializer mat = ActorMaterializer.create(ActorMaterializerSettings.create(system).withInputBuffer(8192, 8192), system);
    KxReactiveStreams kxStreams = KxReactiveStreams.get();
    RateMeasure rm = new RateMeasure("rate");
    CountDownLatch count = new CountDownLatch(NUM_MSG);
    Iterable it = () -> IntStream.range(0, NUM_MSG).mapToObj(x -> x).iterator();
    Publisher<Integer> pub = (Publisher<Integer>) Source.from(it).runWith(Sink.publisher(), mat);
    kxStreams.asKxPublisher(pub).serve(new WebSocketPublisher().hostName("localhost").port(6789).urlPath("akka"));
    AtomicInteger kontraktorCount = new AtomicInteger(0);
    // subscribe with akka client
    KxPublisher<Integer> remotedPublisher = new KxReactiveStreams(true).connect(Integer.class, new WebSocketConnectable().url("ws://localhost:6789/akka")).map(x -> {
        // (*)
        kontraktorCount.incrementAndGet();
        return x;
    });
    // for unknown reasons, this loses messages .. kontraktor receiver (*) above gets them all.
    // when trying to reproduce this locally the message loss seems not to occur.
    // as one can see from the counters the message loss is linear (not related to stream completion)
    // I think its an Akka issue as same test works if consuming from RxJava (see below)
    Source.from(remotedPublisher).runWith(Sink.foreach(elem -> {
        rm.count();
        count.countDown();
    }), mat);
    int secondsWait = 50;
    while (count.getCount() > 0 && secondsWait-- > 0) {
        System.out.println("count:" + (NUM_MSG - count.getCount()) + " kontraktor count:" + kontraktorCount.get());
        Thread.sleep(1000);
    }
    system.shutdown();
    Assert.assertTrue(count.getCount() == 0);
    // give time closing stuff
    Thread.sleep(1000);
}

Example 17 with RateMeasure

use of org.nustaq.kontraktor.util.RateMeasure in project kontraktor by RuedigerMoeller.

the class AkkaInterop method kontraktorRemoteKontraktor.

@Test
public void kontraktorRemoteKontraktor() throws InterruptedException {
    Log.setLevel(Log.DEBUG);
    final int NUM_MSG = 20_000_000;
    KxReactiveStreams kxStreams = KxReactiveStreams.get();
    RateMeasure rm = new RateMeasure("rate");
    CountDownLatch count = new CountDownLatch(NUM_MSG);
    Iterable it = () -> IntStream.range(0, NUM_MSG).mapToObj(x -> x).iterator();
    Publisher<Integer> pub = kxStreams.produce(it.iterator());
    kxStreams.asKxPublisher(pub).serve(new WebSocketPublisher().hostName("localhost").port(6789).urlPath("not_akka"));
    // subscribe with akka client
    KxPublisher<Integer> remotedPublisher = new KxReactiveStreams(true).connect(Integer.class, new WebSocketConnectable().url("ws://localhost:6789/not_akka"));
    remotedPublisher.subscribe((res, err) -> {
        if (Actors.isResult(err)) {
            rm.count();
            count.countDown();
        }
    });
    int secondsWait = 50;
    while (count.getCount() > 0 && secondsWait-- > 0) {
        System.out.println("count:" + count.getCount());
        Thread.sleep(1000);
    }
    Assert.assertTrue(count.getCount() == 0);
    // give time closing stuff
    Thread.sleep(1000);
}

Example 18 with RateMeasure

use of org.nustaq.kontraktor.util.RateMeasure in project kontraktor by RuedigerMoeller.

the class AkkaInterop method kontraktorConsumes.

@Test
public void kontraktorConsumes() throws InterruptedException {
    final int NUM_MSG = 50_000_000;
    final ActorSystem system = ActorSystem.create("reactive-interop");
    final Materializer mat = ActorMaterializer.create(system);
    KxReactiveStreams kxStreams = KxReactiveStreams.get();
    RateMeasure rm = new RateMeasure("rate");
    CountDownLatch count = new CountDownLatch(NUM_MSG);
    Iterable it = () -> IntStream.range(0, NUM_MSG).mapToObj(x -> x).iterator();
    Publisher<Integer> pub = (Publisher<Integer>) Source.from(it).runWith(Sink.publisher(), mat);
    kxStreams.asKxPublisher(pub).subscribe((res, err) -> {
        if (Actors.isResult(err)) {
            rm.count();
            count.countDown();
        }
    });
    int secondsWait = 50;
    while (count.getCount() > 0 && secondsWait-- > 0) {
        System.out.println("count:" + count.getCount());
        Thread.sleep(1000);
    }
    system.shutdown();
    Assert.assertTrue(count.getCount() == 0);
    // give time closing stuff
    Thread.sleep(1000);
}

Example 19 with RateMeasure

use of org.nustaq.kontraktor.util.RateMeasure in project kontraktor by RuedigerMoeller.

the class RxJava method remotingTest.

@Test
public void remotingTest() {
    Observable<Integer> range = Observable.range(0, NUM_MSG / 4);
    Publisher<Integer> pub = RxReactiveStreams.toPublisher(range);
    KxReactiveStreams.get().asKxPublisher(pub).serve(new TCPNIOPublisher().port(3456));
    RateMeasure rm = new RateMeasure("events");
    AtomicInteger cnt = new AtomicInteger(0);
    Promise<Integer> finished = new Promise<>();
    KxReactiveStreams.get().connect(Integer.class, new TCPConnectable().host("localhost").port(3456)).subscribe((r, e) -> {
        rm.count();
        if (Actors.isResult(e))
            cnt.incrementAndGet();
        else
            finished.resolve(cnt.get());
    });
    Assert.assertTrue(finished.await(50000) == NUM_MSG / 4);
}

Example 20 with RateMeasure

use of org.nustaq.kontraktor.util.RateMeasure in project kontraktor by RuedigerMoeller.

the class RxJava method remotingRxToRx.

@Test
public void remotingRxToRx() throws InterruptedException {
    Observable<Integer> range = Observable.range(0, NUM_MSG / 4);
    Publisher<Integer> pub = RxReactiveStreams.toPublisher(range);
    KxReactiveStreams.get().asKxPublisher(pub).serve(new TCPNIOPublisher().port(3458));
    RateMeasure rm = new RateMeasure("events");
    KxPublisher<Integer> remoteStream = KxReactiveStreams.get().connect(Integer.class, new TCPConnectable().host("localhost").port(3458));
    CountDownLatch cnt = new CountDownLatch(NUM_MSG / 4);
    RxReactiveStreams.toObservable(remoteStream).forEach(i -> {
        rm.count();
        cnt.countDown();
    });
    cnt.await(50, TimeUnit.SECONDS);
    Assert.assertTrue(cnt.getCount() == 0);
}