Examples with MetricsCollector com.twitter.heron.common.utils.metrics.MetricsCollector used on opensource projects

Example 6 with MetricsCollector

use of com.twitter.heron.common.utils.metrics.MetricsCollector in project incubator-heron by apache.

the class Slave method registerTasksWithSlave.

private void registerTasksWithSlave() {
    // Create a new MetricsCollector with the clean slaveLooper and register its task
    metricsCollector = new MetricsCollector(slaveLooper, metricsOutCommunicator);
    // registering the handling of control msg
    handleControlMessage();
// instance task will be registered when instance.start() is called
}

Example 7 with MetricsCollector

use of com.twitter.heron.common.utils.metrics.MetricsCollector in project incubator-heron by apache.

the class GlobalMetricsTest method testGlobalMetrics.

@Test
public void testGlobalMetrics() {
    MetricsCollector fakeCollector = new MetricsCollector(new FakeWakeableLooper(), null);
    TopologyContext fakeContext = new TopologyContextImpl(new HashMap<String, Object>(), TopologyAPI.Topology.getDefaultInstance(), new HashMap<Integer, String>(), 0, fakeCollector);
    GlobalMetrics.init(fakeContext, Duration.ofSeconds(5));
    GlobalMetrics.incr("mycounter");
    Map<String, Long> metricsContent = GlobalMetrics.getUnderlyingCounter().getValueAndReset();
    assertTrue(metricsContent.containsKey("mycounter"));
    assertEquals(1, metricsContent.size());
    assertEquals(new Long(1), metricsContent.get("mycounter"));
    // Increment two different counters
    GlobalMetrics.incr("mycounter1");
    GlobalMetrics.incr("mycounter2");
    GlobalMetrics.incr("mycounter1");
    metricsContent = GlobalMetrics.getUnderlyingCounter().getValueAndReset();
    assertTrue(metricsContent.containsKey("mycounter"));
    assertTrue(metricsContent.containsKey("mycounter1"));
    assertTrue(metricsContent.containsKey("mycounter2"));
    assertEquals(3L, metricsContent.size());
    assertEquals(new Long(0), metricsContent.get("mycounter"));
    assertEquals(new Long(1), metricsContent.get("mycounter2"));
    assertEquals(new Long(2), metricsContent.get("mycounter1"));
}