Examples with Histogram org.eclipse.microprofile.metrics.Histogram used on opensource projects

Example 1 with Histogram

use of org.eclipse.microprofile.metrics.Histogram in project Payara by payara.

the class BulkheadMetricTckTest method bulkheadMetricHistogramTest.

/**
 * Scenario is equivalent to the TCK test of same name but not 100% identical
 */
@Test(timeout = 3000)
public void bulkheadMetricHistogramTest() {
    callMethodWithNewThreadAndWaitFor(commonWaiter);
    callMethodWithNewThreadAndWaitFor(commonWaiter);
    waitUntilPermitsAquired(2, 0);
    assertFurtherThreadThrowsBulkheadException(1);
    waitSome(100);
    commonWaiter.complete(null);
    waitUntilPermitsAquired(0, 0);
    Histogram executionTimes = registry.getHistogram(new MetricID("ft.bulkhead.runningDuration", new Tag("method", "fish.payara.microprofile.faulttolerance.policy.BulkheadMetricTckTest.bulkheadMetricHistogramTest_Method")));
    Snapshot snap = executionTimes.getSnapshot();
    assertNotNull(executionTimes);
    assertEquals(2, executionTimes.getCount());
    assertApproxMillis(100, Math.round(snap.getMedian()));
    assertApproxMillis(100, Math.round(snap.getMean()));
    // Now let's put some quick results through the bulkhead
    callMethodDirectly(null);
    callMethodDirectly(null);
    assertEquals(4, executionTimes.getCount());
    snap = executionTimes.getSnapshot();
    assertApproxMillis(50, Math.round(snap.getMean()));
}

Example 2 with Histogram

use of org.eclipse.microprofile.metrics.Histogram in project Payara by payara.

the class MetricRegistryImplTest method registerByMetadataAllowsToReuseAsLongAsMetadataIsSame.

@Test
public void registerByMetadataAllowsToReuseAsLongAsMetadataIsSame() {
    Histogram h1 = new HistogramImpl();
    assertExistingMetadataIsUsed(name -> registry.register(withName(name), h1), name -> registry.register(withName(name), new HistogramImpl()));
    assertSame(h1, registry.getHistograms().values().iterator().next());
}

Example 3 with Histogram

use of org.eclipse.microprofile.metrics.Histogram in project Payara by payara.

the class OpenMetricsExporterTest method quantilesAreAppendedOtherTags.

@Test
public void quantilesAreAppendedOtherTags() {
    Histogram histogram = mock(Histogram.class);
    Snapshot snapshot = mock(Snapshot.class);
    when(histogram.getSnapshot()).thenReturn(snapshot);
    MetricID metricID = new MetricID("test6", new Tag("custom", "tag-value"));
    Metadata metadata = Metadata.builder().withName(metricID.getName()).withUnit(MetricUnits.MILLISECONDS).build();
    exporter.export(metricID, histogram, metadata);
    String actualOutput = actual.getBuffer().toString();
    assertTrue(actualOutput.contains("application_test6_seconds{custom=\"tag-value\",quantile=\"0.5\"} 0"));
}

Example 4 with Histogram

use of org.eclipse.microprofile.metrics.Histogram in project Payara by payara.

the class JsonExporterGetTest method exportHistogram.

@Test
public void exportHistogram() {
    Histogram histogram = mock(Histogram.class);
    when(histogram.getCount()).thenReturn(2L);
    when(histogram.getSum()).thenReturn(42L);
    Snapshot snapshot = mock(Snapshot.class);
    when(histogram.getSnapshot()).thenReturn(snapshot);
    when(snapshot.getMin()).thenReturn(-1624L);
    when(snapshot.getMax()).thenReturn(26L);
    when(snapshot.getMean()).thenReturn(-799.0d);
    when(snapshot.getStdDev()).thenReturn(825d);
    when(snapshot.getMedian()).thenReturn(26d);
    when(snapshot.get75thPercentile()).thenReturn(26d);
    when(snapshot.get95thPercentile()).thenReturn(26d);
    when(snapshot.get98thPercentile()).thenReturn(26d);
    when(snapshot.get99thPercentile()).thenReturn(26d);
    when(snapshot.get999thPercentile()).thenReturn(26d);
    // example uses same values for both histograms so we can get away with just one
    // but conceptually those should be two different histogram instances
    export(new MetricID("daily_value_changes"), histogram);
    export(new MetricID("daily_value_changes", new Tag("servlet", "two")), histogram);
    assertOutputEqualsFile("Histogram.json");
}

Example 5 with Histogram

use of org.eclipse.microprofile.metrics.Histogram in project Payara by payara.

the class OpenMetricsExporterTest method exportHistogram.

@Test
public void exportHistogram() {
    Histogram histogram = mock(Histogram.class);
    when(histogram.getCount()).thenReturn(2037L);
    when(histogram.getSum()).thenReturn(45678L);
    Snapshot snapshot = mock(Snapshot.class);
    when(histogram.getSnapshot()).thenReturn(snapshot);
    when(snapshot.getMin()).thenReturn(180L);
    when(snapshot.getMax()).thenReturn(31716L);
    when(snapshot.getMean()).thenReturn(4738.231d);
    when(snapshot.getStdDev()).thenReturn(1054.7343037063602d);
    when(snapshot.getMedian()).thenReturn(4201d);
    when(snapshot.get75thPercentile()).thenReturn(6175d);
    when(snapshot.get95thPercentile()).thenReturn(13560d);
    when(snapshot.get98thPercentile()).thenReturn(29643d);
    when(snapshot.get99thPercentile()).thenReturn(31716d);
    when(snapshot.get999thPercentile()).thenReturn(31716d);
    MetricID metricID = new MetricID("file_sizes");
    Metadata metadata = Metadata.builder().withName(metricID.getName()).withDescription("Users file size").withUnit(MetricUnits.BYTES).build();
    assertOutputEqualsFile("Histogram.txt", metricID, histogram, metadata);
}