Examples with Event org.apache.druid.java.util.emitter.core.Event used on opensource projects

Example 21 with Event

use of org.apache.druid.java.util.emitter.core.Event in project druid by druid-io.

the class JettyServerModuleTest method testJettyServerModule.

@Test
public void testJettyServerModule() {
    List<Event> events = new ArrayList<>();
    ServiceEmitter serviceEmitter = new ServiceEmitter("service", "host", Mockito.mock(Emitter.class)) {

        @Override
        public void emit(Event event) {
            events.add(event);
        }
    };
    QueuedThreadPool jettyServerThreadPool = Mockito.mock(QueuedThreadPool.class);
    JettyServerModule.setJettyServerThreadPool(jettyServerThreadPool);
    Mockito.when(jettyServerThreadPool.getThreads()).thenReturn(100);
    Mockito.when(jettyServerThreadPool.getIdleThreads()).thenReturn(40);
    Mockito.when(jettyServerThreadPool.isLowOnThreads()).thenReturn(true);
    Mockito.when(jettyServerThreadPool.getMinThreads()).thenReturn(30);
    Mockito.when(jettyServerThreadPool.getMaxThreads()).thenReturn(100);
    Mockito.when(jettyServerThreadPool.getQueueSize()).thenReturn(50);
    Mockito.when(jettyServerThreadPool.getBusyThreads()).thenReturn(60);
    JettyServerModule.JettyMonitor jettyMonitor = new JettyServerModule.JettyMonitor("ds", "t0");
    jettyMonitor.doMonitor(serviceEmitter);
    Assert.assertEquals(8, events.size());
    List<Pair<String, Number>> expectedEvents = Arrays.asList(new Pair<>("jetty/numOpenConnections", 0), new Pair<>("jetty/threadPool/total", 100), new Pair<>("jetty/threadPool/idle", 40), new Pair<>("jetty/threadPool/isLowOnThreads", 1), new Pair<>("jetty/threadPool/min", 30), new Pair<>("jetty/threadPool/max", 100), new Pair<>("jetty/threadPool/queueSize", 50), new Pair<>("jetty/threadPool/busy", 60));
    for (int i = 0; i < expectedEvents.size(); i++) {
        Pair<String, Number> expected = expectedEvents.get(i);
        ServiceMetricEvent actual = (ServiceMetricEvent) (events.get(i));
        Assert.assertEquals(expected.lhs, actual.getMetric());
        Assert.assertEquals(expected.rhs, actual.getValue());
    }
}

Example 22 with Event

use of org.apache.druid.java.util.emitter.core.Event in project druid by druid-io.

the class MockMemcachedClient method testMonitor.

@Test
public void testMonitor() throws Exception {
    final MemcachedCache cache = MemcachedCache.create(memcachedCacheConfig);
    final Emitter emitter = EasyMock.createNiceMock(Emitter.class);
    final Collection<Event> events = new ArrayList<>();
    final ServiceEmitter serviceEmitter = new ServiceEmitter("service", "host", emitter) {

        @Override
        public void emit(Event event) {
            events.add(event);
        }
    };
    while (events.isEmpty()) {
        Thread.sleep(memcachedCacheConfig.getTimeout());
        cache.doMonitor(serviceEmitter);
    }
    Assert.assertFalse(events.isEmpty());
    ObjectMapper mapper = new DefaultObjectMapper();
    for (Event event : events) {
        log.debug("Found event `%s`", mapper.writeValueAsString(event.toMap()));
    }
}