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

Example 1 with Snapshot

use of org.eclipse.microprofile.metrics.Snapshot 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 Snapshot

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

the class JsonExporter method exportSampling.

private void exportSampling(MetricID metricID, Sampling sampling) {
    Snapshot snapshot = sampling.getSnapshot();
    appendMember(metricID, "min", snapshot.getMin());
    appendMember(metricID, "max", snapshot.getMax());
    appendMember(metricID, "mean", snapshot.getMean());
    appendMember(metricID, "stddev", snapshot.getStdDev());
    appendMember(metricID, "p50", snapshot.getMedian());
    appendMember(metricID, "p75", snapshot.get75thPercentile());
    appendMember(metricID, "p95", snapshot.get95thPercentile());
    appendMember(metricID, "p98", snapshot.get98thPercentile());
    appendMember(metricID, "p99", snapshot.get99thPercentile());
    appendMember(metricID, "p999", snapshot.get999thPercentile());
}

Example 3 with Snapshot

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

the class OpenMetricsExporter method exportSampling.

private void exportSampling(MetricID metricID, Sampling sampling, LongSupplier count, Supplier<Number> sum, Metadata metadata) {
    Tag[] tags = metricID.getTagsAsArray();
    Snapshot snapshot = sampling.getSnapshot();
    String mean = globalName(metricID, "_mean", metadata);
    appendTYPE(mean, OpenMetricsType.gauge);
    appendValue(mean, tags, scaleToBaseUnit(snapshot.getMean(), metadata));
    String max = globalName(metricID, "_max", metadata);
    appendTYPE(max, OpenMetricsType.gauge);
    appendValue(max, tags, scaleToBaseUnit(snapshot.getMax(), metadata));
    String min = globalName(metricID, "_min", metadata);
    appendTYPE(min, OpenMetricsType.gauge);
    appendValue(min, tags, scaleToBaseUnit(snapshot.getMin(), metadata));
    String stddev = globalName(metricID, "_stddev", metadata);
    appendTYPE(stddev, OpenMetricsType.gauge);
    appendValue(stddev, tags, scaleToBaseUnit(snapshot.getStdDev(), metadata));
    String summary = globalName(metricID, metadata);
    appendTYPE(summary, OpenMetricsType.summary);
    appendHELP(summary, metadata);
    appendValue(globalName(metricID, metadata, "_count"), tags, count.getAsLong());
    appendValue(globalName(metricID, metadata, "_sum"), tags, sum.get());
    appendValue(summary, tags("quantile", "0.5", tags), scaleToBaseUnit(snapshot.getMedian(), metadata));
    appendValue(summary, tags("quantile", "0.75", tags), scaleToBaseUnit(snapshot.get75thPercentile(), metadata));
    appendValue(summary, tags("quantile", "0.95", tags), scaleToBaseUnit(snapshot.get95thPercentile(), metadata));
    appendValue(summary, tags("quantile", "0.98", tags), scaleToBaseUnit(snapshot.get98thPercentile(), metadata));
    appendValue(summary, tags("quantile", "0.99", tags), scaleToBaseUnit(snapshot.get99thPercentile(), metadata));
    appendValue(summary, tags("quantile", "0.999", tags), scaleToBaseUnit(snapshot.get999thPercentile(), metadata));
}

Example 4 with Snapshot

use of org.eclipse.microprofile.metrics.Snapshot 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 5 with Snapshot

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

the class OpenMetricsExporterTest method exportTimer.

@Test
public void exportTimer() {
    Timer timer = mock(Timer.class);
    when(timer.getElapsedTime()).thenReturn(Duration.ofMillis(23L));
    when(timer.getCount()).thenReturn(80L);
    when(timer.getMeanRate()).thenReturn(0.004292520715985437d);
    when(timer.getOneMinuteRate()).thenReturn(2.794076465421066E-14d);
    when(timer.getFiveMinuteRate()).thenReturn(4.800392614619373E-4d);
    when(timer.getFifteenMinuteRate()).thenReturn(0.01063191047532505d);
    Snapshot snapshot = mock(Snapshot.class);
    when(timer.getSnapshot()).thenReturn(snapshot);
    when(snapshot.getMin()).thenReturn(169916L);
    when(snapshot.getMax()).thenReturn(560869L);
    when(snapshot.getMean()).thenReturn(415041d);
    when(snapshot.getStdDev()).thenReturn(652907d);
    when(snapshot.getMedian()).thenReturn(293324d);
    when(snapshot.get75thPercentile()).thenReturn(344914d);
    when(snapshot.get95thPercentile()).thenReturn(543647d);
    when(snapshot.get98thPercentile()).thenReturn(2706543d);
    when(snapshot.get99thPercentile()).thenReturn(5608694d);
    when(snapshot.get999thPercentile()).thenReturn(5608694d);
    MetricID metricID = new MetricID("response_time");
    Metadata metadata = Metadata.builder().withName(metricID.getName()).withDescription("Server response time for /index.html").withUnit(MetricUnits.NANOSECONDS).build();
    assertOutputEqualsFile("Timer.txt", metricID, timer, metadata);
}