Examples with DistributionCell org.apache.beam.runners.core.metrics.DistributionCell used on opensource projects

Example 1 with DistributionCell

use of org.apache.beam.runners.core.metrics.DistributionCell in project beam by apache.

the class FlinkMetricContainerTest method testDropUnexpectedMonitoringInfoTypes.

@Test
public void testDropUnexpectedMonitoringInfoTypes() {
    MetricsContainerImpl step = container.getMetricsContainer("step");
    MonitoringInfo intCounter = new SimpleMonitoringInfoBuilder().setUrn(MonitoringInfoConstants.Urns.USER_SUM_INT64).setLabel(MonitoringInfoConstants.Labels.NAMESPACE, "ns1").setLabel(MonitoringInfoConstants.Labels.NAME, "int_counter").setLabel(MonitoringInfoConstants.Labels.PTRANSFORM, "step").setInt64SumValue(111).build();
    MonitoringInfo doubleCounter = new SimpleMonitoringInfoBuilder().setUrn(MonitoringInfoConstants.Urns.USER_SUM_DOUBLE).setLabel(MonitoringInfoConstants.Labels.NAMESPACE, "ns2").setLabel(MonitoringInfoConstants.Labels.NAME, "double_counter").setLabel(MonitoringInfoConstants.Labels.PTRANSFORM, "step").setDoubleSumValue(222).build();
    MonitoringInfo intDistribution = new SimpleMonitoringInfoBuilder().setUrn(MonitoringInfoConstants.Urns.USER_DISTRIBUTION_INT64).setLabel(MonitoringInfoConstants.Labels.NAMESPACE, "ns3").setLabel(MonitoringInfoConstants.Labels.NAME, "int_distribution").setLabel(MonitoringInfoConstants.Labels.PTRANSFORM, "step").setInt64DistributionValue(DistributionData.create(30, 10, 1, 5)).build();
    MonitoringInfo doubleDistribution = new SimpleMonitoringInfoBuilder().setUrn(MonitoringInfoConstants.Urns.USER_DISTRIBUTION_DOUBLE).setLabel(MonitoringInfoConstants.Labels.NAMESPACE, "ns4").setLabel(MonitoringInfoConstants.Labels.NAME, "double_distribution").setLabel(MonitoringInfoConstants.Labels.PTRANSFORM, "step").setDoubleDistributionValue(10, 30, 1, 5).build();
    // Mock out the counter that Flink returns; the distribution gets created by
    // FlinkMetricContainer, not by Flink itself, so we verify it in a different way below
    SimpleCounter counter = new SimpleCounter();
    when(metricGroup.counter("ns1.int_counter")).thenReturn(counter);
    container.updateMetrics("step", ImmutableList.of(intCounter, doubleCounter, intDistribution, doubleDistribution));
    // Flink's MetricGroup should only have asked for one counter (the integer-typed one) to be
    // created (the double-typed one is dropped currently)
    verify(metricGroup).counter(eq("ns1.int_counter"));
    // Verify that the counter injected into flink has the right value
    assertThat(counter.getCount(), is(111L));
    // Verify the counter in the java SDK MetricsContainer
    long count = ((CounterCell) step.tryGetCounter(MonitoringInfoMetricName.of(intCounter))).getCumulative();
    assertThat(count, is(111L));
    // The one Flink distribution that gets created is a FlinkDistributionGauge; here we verify its
    // initial (and in this test, final) value
    verify(metricGroup).gauge(eq("ns3.int_distribution"), argThat(new ArgumentMatcher<FlinkDistributionGauge>() {

        @Override
        public boolean matches(FlinkDistributionGauge argument) {
            DistributionResult actual = ((FlinkDistributionGauge) argument).getValue();
            DistributionResult expected = DistributionResult.create(30, 10, 1, 5);
            return actual.equals(expected);
        }
    }));
    // Verify that the Java SDK MetricsContainer holds the same information
    DistributionData distributionData = ((DistributionCell) step.getDistribution(MonitoringInfoMetricName.of(intDistribution))).getCumulative();
    assertThat(distributionData, is(DistributionData.create(30, 10, 1, 5)));
}