Examples with WavefrontHistogram com.yammer.metrics.core.WavefrontHistogram used on opensource projects

Example 6 with WavefrontHistogram

use of com.yammer.metrics.core.WavefrontHistogram in project java by wavefrontHQ.

the class JsonMetricsGeneratorTest method testWavefrontHistogramBulkUpdateHandlesMismatchedLengths.

@Test
public void testWavefrontHistogramBulkUpdateHandlesMismatchedLengths() throws IOException {
    WavefrontHistogram wh = WavefrontHistogram.get(testRegistry, new MetricName("test", "", "metric"), time::get);
    wh.bulkUpdate(ImmutableList.of(15d, 30d, 45d, 100d), ImmutableList.of(1, 5, 1));
    wh.bulkUpdate(ImmutableList.of(1d, 2d, 3d), ImmutableList.of(1, 1, 1, 9));
    // Simulate the 1 minute has passed and we are ready to flush the histogram
    // (i.e. all the values prior to the current minute) over the wire...
    time.addAndGet(60001L);
    String json = generate(false, false, false, null);
    assertThat(json).isEqualTo("{\"test.metric\":{\"bins\":[{\"count\":10,\"startMillis\":0,\"durationMillis\":60000,\"means\":[1.0,2.0,3.0,15.0,30.0,45.0],\"counts\":[1,1,1,1,5,1]}]}}");
}

Example 7 with WavefrontHistogram

use of com.yammer.metrics.core.WavefrontHistogram in project java by wavefrontHQ.

the class WavefrontYammerMetricsReporterTest method testWavefrontHistogram.

@Test(timeout = 1000)
public void testWavefrontHistogram() throws Exception {
    AtomicLong clock = new AtomicLong(System.currentTimeMillis());
    WavefrontHistogram wavefrontHistogram = WavefrontHistogram.get(metricsRegistry, new TaggedMetricName("group", "myhisto", "tag1", "value1", "tag2", "value2"), clock::get);
    for (int i = 0; i < 101; i++) {
        wavefrontHistogram.update(i);
    }
    // Advance the clock by 1 min ...
    clock.addAndGet(60000L + 1);
    wavefrontYammerMetricsReporter.run();
    assertThat(receiveFromSocket(1, fromHistograms), contains(equalTo("!M 1485224035 #101 50.0 \"myhisto\" tag1=\"value1\" tag2=\"value2\"")));
}

Example 8 with WavefrontHistogram

use of com.yammer.metrics.core.WavefrontHistogram in project java by wavefrontHQ.

the class WavefrontYammerMetricsReporterTest method testPrependGroupName.

@Test(timeout = 1000)
public void testPrependGroupName() throws Exception {
    innerSetUp(true, null, false, false);
    // Counter
    TaggedMetricName taggedMetricName = new TaggedMetricName("group", "mycounter", "tag1", "value1", "tag2", "value2");
    Counter counter = metricsRegistry.newCounter(taggedMetricName);
    counter.inc();
    counter.inc();
    AtomicLong clock = new AtomicLong(System.currentTimeMillis());
    // Wavefront Histo
    WavefrontHistogram wavefrontHistogram = WavefrontHistogram.get(metricsRegistry, new TaggedMetricName("group3", "myhisto", "tag1", "value1", "tag2", "value2"), clock::get);
    for (int i = 0; i < 101; i++) {
        wavefrontHistogram.update(i);
    }
    // Exploded Histo
    Histogram histogram = metricsRegistry.newHistogram(new MetricName("group2", "", "myhisto"), false);
    histogram.update(1);
    histogram.update(10);
    // Advance the clock by 1 min ...
    clock.addAndGet(60000L + 1);
    wavefrontYammerMetricsReporter.run();
    assertThat(receiveFromSocket(12, fromMetrics), containsInAnyOrder(equalTo("\"group.mycounter\" 2.0 1485224035 tag1=\"value1\" tag2=\"value2\""), equalTo("\"group2.myhisto.count\" 2.0 1485224035"), equalTo("\"group2.myhisto.min\" 1.0 1485224035"), equalTo("\"group2.myhisto.max\" 10.0 1485224035"), equalTo("\"group2.myhisto.mean\" 5.5 1485224035"), equalTo("\"group2.myhisto.sum\" 11.0 1485224035"), startsWith("\"group2.myhisto.stddev\""), equalTo("\"group2.myhisto.median\" 5.5 1485224035"), equalTo("\"group2.myhisto.p75\" 10.0 1485224035"), equalTo("\"group2.myhisto.p95\" 10.0 1485224035"), equalTo("\"group2.myhisto.p99\" 10.0 1485224035"), equalTo("\"group2.myhisto.p999\" 10.0 1485224035")));
    assertThat(receiveFromSocket(1, fromHistograms), contains(equalTo("!M 1485224035 #101 50.0 \"group3.myhisto\" tag1=\"value1\" tag2=\"value2\"")));
}