Examples with LongSummaryStatistics java.util.LongSummaryStatistics used on opensource projects

Example 41 with LongSummaryStatistics

use of java.util.LongSummaryStatistics in project scalecube by scalecube.

the class ClusterMessagingStressTest method clusterMessagingStressTest.

@Test
public void clusterMessagingStressTest() throws Exception {
    // Init transports
    Cluster echoServer = Cluster.joinAwait();
    Cluster[] latentNodes = new Cluster[ClusterConfig.DEFAULT_PING_REQ_MEMBERS];
    Cluster client1 = null;
    // Init measured params
    long sentTime = 0;
    long receivedTime = 0;
    LongSummaryStatistics rttStats = null;
    // Run experiment
    try {
        // Subscribe echo server handler
        echoServer.listen().subscribe(msg -> echoServer.send(msg.sender(), msg));
        // Start latent nodes (for indirect pings)
        for (int i = 0; i < latentNodes.length; i++) {
            latentNodes[i] = Cluster.joinAwait(echoServer.address());
        }
        // Init client
        CountDownLatch measureLatch = new CountDownLatch(msgCount);
        ArrayList<Long> rttRecords = new ArrayList<>(msgCount);
        client1 = Cluster.joinAwait(echoServer.address());
        client1.listen().subscribe(msg -> {
            long sentAt = Long.valueOf(msg.data());
            long rttTime = System.currentTimeMillis() - sentAt;
            rttRecords.add(rttTime);
            measureLatch.countDown();
        });
        // Subscribe on member removed event
        AtomicBoolean receivedMemberRemovedEvent = new AtomicBoolean(false);
        client1.listenMembership().filter(MembershipEvent::isRemoved).subscribe(event -> {
            LOGGER.warn("Received member removed event: {}", event);
            receivedMemberRemovedEvent.set(true);
        });
        // Measure
        long startAt = System.currentTimeMillis();
        for (int i = 0; i < msgCount; i++) {
            client1.send(echoServer.address(), Message.fromData(Long.toString(System.currentTimeMillis())));
        }
        sentTime = System.currentTimeMillis() - startAt;
        measureLatch.await(timeoutSeconds, TimeUnit.SECONDS);
        receivedTime = System.currentTimeMillis() - startAt;
        rttStats = rttRecords.stream().mapToLong(v -> v).summaryStatistics();
        assertTrue(measureLatch.getCount() == 0);
        assertFalse("Received member removed event", receivedMemberRemovedEvent.get());
    } finally {
        // Print results
        LOGGER.info("Finished sending {} messages in {} ms", msgCount, sentTime);
        LOGGER.info("Finished receiving {} messages in {} ms", msgCount, receivedTime);
        LOGGER.info("Round trip stats (ms): {}", rttStats);
        // Shutdown
        shutdown(echoServer);
        shutdown(latentNodes);
        shutdown(client1);
    }
}

Example 42 with LongSummaryStatistics

use of java.util.LongSummaryStatistics in project scalecube by scalecube.

the class GossipProtocolTest method computeMessageSentStats.

private LongSummaryStatistics computeMessageSentStats(List<GossipProtocolImpl> gossipProtocols) {
    List<Long> messageSentPerNode = new ArrayList<>(gossipProtocols.size());
    for (GossipProtocolImpl gossipProtocol : gossipProtocols) {
        Transport transport = gossipProtocol.getTransport();
        messageSentPerNode.add(transport.networkEmulator().totalMessageSentCount());
    }
    return messageSentPerNode.stream().mapToLong(v -> v).summaryStatistics();
}

Example 43 with LongSummaryStatistics

use of java.util.LongSummaryStatistics in project eclipse-collections by eclipse.

the class SerializableLongSummaryStatisticsTest method valuesEqual.

@Test
public void valuesEqual() {
    SerializableLongSummaryStatistics with = SerializableLongSummaryStatistics.with(1, 2, 3);
    LongSummaryStatistics without = new LongSummaryStatistics();
    without.accept(1L);
    without.accept(2L);
    without.accept(3L);
    Assert.assertTrue(with.valuesEqual(without));
}

Example 44 with LongSummaryStatistics

use of java.util.LongSummaryStatistics in project keycloak by keycloak.

the class ClosingLongStream method summaryStatistics.

@Override
public LongSummaryStatistics summaryStatistics() {
    LongSummaryStatistics result = delegate.summaryStatistics();
    close();
    return result;
}

Example 45 with LongSummaryStatistics

use of java.util.LongSummaryStatistics in project accumulo by apache.

the class DefaultCompactionStrategyTest method simulationTest.

@Test
public void simulationTest() throws Exception {
    for (int n = 1; n < 10; n++) {
        LongSummaryStatistics lss = new LongSummaryStatistics();
        SimulatedTablet simuTablet = new SimulatedTablet(10, 15);
        for (int i = 0; i < 1000; i++) {
            simuTablet.addFiles(n, 1000, 10);
            simuTablet.compact(MajorCompactionReason.NORMAL);
            lss.accept(simuTablet.getNumFiles());
        }
        while (simuTablet.compact(MajorCompactionReason.NORMAL) > 0) {
            lss.accept(simuTablet.getNumFiles());
        }
        assertTrue(simuTablet.getTotalRead() < 6 * simuTablet.getTotalAdded());
        assertTrue(lss.getAverage() < (n >= 8 ? 15 : 7));
    }
}