Examples with Total org.apache.kafka.common.metrics.stats.Total used on opensource projects

Example 1 with Total

use of org.apache.kafka.common.metrics.stats.Total in project kafka by apache.

the class MetricsTest method testQuotas.

@Test
public void testQuotas() {
    Sensor sensor = metrics.sensor("test");
    sensor.add(metrics.metricName("test1.total", "grp1"), new Total(), new MetricConfig().quota(Quota.upperBound(5.0)));
    sensor.add(metrics.metricName("test2.total", "grp1"), new Total(), new MetricConfig().quota(Quota.lowerBound(0.0)));
    sensor.record(5.0);
    try {
        sensor.record(1.0);
        fail("Should have gotten a quota violation.");
    } catch (QuotaViolationException e) {
    // this is good
    }
    assertEquals(6.0, metrics.metrics().get(metrics.metricName("test1.total", "grp1")).value(), EPS);
    sensor.record(-6.0);
    try {
        sensor.record(-1.0);
        fail("Should have gotten a quota violation.");
    } catch (QuotaViolationException e) {
    // this is good
    }
}

Example 2 with Total

use of org.apache.kafka.common.metrics.stats.Total in project kafka by apache.

the class MetricsTest method testSimpleStats.

@Test
public void testSimpleStats() throws Exception {
    ConstantMeasurable measurable = new ConstantMeasurable();
    metrics.addMetric(metrics.metricName("direct.measurable", "grp1", "The fraction of time an appender waits for space allocation."), measurable);
    Sensor s = metrics.sensor("test.sensor");
    s.add(metrics.metricName("test.avg", "grp1"), new Avg());
    s.add(metrics.metricName("test.max", "grp1"), new Max());
    s.add(metrics.metricName("test.min", "grp1"), new Min());
    s.add(metrics.metricName("test.rate", "grp1"), new Rate(TimeUnit.SECONDS));
    s.add(metrics.metricName("test.occurences", "grp1"), new Rate(TimeUnit.SECONDS, new Count()));
    s.add(metrics.metricName("test.count", "grp1"), new Count());
    s.add(new Percentiles(100, -100, 100, BucketSizing.CONSTANT, new Percentile(metrics.metricName("test.median", "grp1"), 50.0), new Percentile(metrics.metricName("test.perc99_9", "grp1"), 99.9)));
    Sensor s2 = metrics.sensor("test.sensor2");
    s2.add(metrics.metricName("s2.total", "grp1"), new Total());
    s2.record(5.0);
    int sum = 0;
    int count = 10;
    for (int i = 0; i < count; i++) {
        s.record(i);
        sum += i;
    }
    // prior to any time passing
    double elapsedSecs = (config.timeWindowMs() * (config.samples() - 1)) / 1000.0;
    assertEquals(String.format("Occurrences(0...%d) = %f", count, count / elapsedSecs), count / elapsedSecs, metrics.metrics().get(metrics.metricName("test.occurences", "grp1")).value(), EPS);
    // pretend 2 seconds passed...
    long sleepTimeMs = 2;
    time.sleep(sleepTimeMs * 1000);
    elapsedSecs += sleepTimeMs;
    assertEquals("s2 reflects the constant value", 5.0, metrics.metrics().get(metrics.metricName("s2.total", "grp1")).value(), EPS);
    assertEquals("Avg(0...9) = 4.5", 4.5, metrics.metrics().get(metrics.metricName("test.avg", "grp1")).value(), EPS);
    assertEquals("Max(0...9) = 9", count - 1, metrics.metrics().get(metrics.metricName("test.max", "grp1")).value(), EPS);
    assertEquals("Min(0...9) = 0", 0.0, metrics.metrics().get(metrics.metricName("test.min", "grp1")).value(), EPS);
    assertEquals("Rate(0...9) = 1.40625", sum / elapsedSecs, metrics.metrics().get(metrics.metricName("test.rate", "grp1")).value(), EPS);
    assertEquals(String.format("Occurrences(0...%d) = %f", count, count / elapsedSecs), count / elapsedSecs, metrics.metrics().get(metrics.metricName("test.occurences", "grp1")).value(), EPS);
    assertEquals("Count(0...9) = 10", (double) count, metrics.metrics().get(metrics.metricName("test.count", "grp1")).value(), EPS);
}

Example 3 with Total

use of org.apache.kafka.common.metrics.stats.Total in project kafka by apache.

the class MetricsTest method testDuplicateMetricName.

@Test(expected = IllegalArgumentException.class)
public void testDuplicateMetricName() {
    metrics.sensor("test").add(metrics.metricName("test", "grp1"), new Avg());
    metrics.sensor("test2").add(metrics.metricName("test", "grp1"), new Total());
}

Example 4 with Total

use of org.apache.kafka.common.metrics.stats.Total in project kafka by apache.

the class JmxReporterTest method testJmxRegistration.

@Test
public void testJmxRegistration() throws Exception {
    Metrics metrics = new Metrics();
    try {
        metrics.addReporter(new JmxReporter());
        Sensor sensor = metrics.sensor("kafka.requests");
        sensor.add(metrics.metricName("pack.bean1.avg", "grp1"), new Avg());
        sensor.add(metrics.metricName("pack.bean2.total", "grp2"), new Total());
        Sensor sensor2 = metrics.sensor("kafka.blah");
        sensor2.add(metrics.metricName("pack.bean1.some", "grp1"), new Total());
        sensor2.add(metrics.metricName("pack.bean2.some", "grp1"), new Total());
    } finally {
        metrics.close();
    }
}