Examples with Sampler io.jaegertracing.spi.Sampler used on opensource projects

Example 6 with Sampler

use of io.jaegertracing.spi.Sampler in project jaeger-client-java by jaegertracing.

the class MicrometerTest method validateMetricCounts.

@Test
public void validateMetricCounts() throws InterruptedException {
    Sampler constantSampler = new ConstSampler(true);
    Configuration configuration = new Configuration("validateMetricCounts");
    JaegerTracer tracer = configuration.getTracerBuilder().withSampler(constantSampler).withMetrics(metrics).build();
    createSomeSpans(tracer);
    tracer.close();
    double finishedSpans = registry.get("jaeger_tracer_finished_spans").counter().count();
    double startedSpans = registry.get("jaeger_tracer_started_spans").tag("sampled", "y").counter().count();
    double traces = registry.get("jaeger_tracer_traces").tag("sampled", "y").tag("state", "started").counter().count();
    assertEquals("Wrong number of finishedSpans", 4.0, finishedSpans, assertDelta);
    assertEquals("Wrong number of startedSpans", 10.0, startedSpans, assertDelta);
    assertEquals("Wrong number of traces", 10.0, traces, assertDelta);
}

Example 7 with Sampler

use of io.jaegertracing.spi.Sampler in project jaeger-client-java by jaegertracing.

the class RemoteControlledSampler method updateRateLimitingOrProbabilisticSampler.

/**
 * Replace {@link #sampler} with a new instance when parameters are updated.
 * @param response which contains either a {@link ProbabilisticSampler} or {@link RateLimitingSampler}
 */
private void updateRateLimitingOrProbabilisticSampler(SamplingStrategyResponse response) {
    Sampler sampler;
    if (response.getProbabilisticSampling() != null) {
        ProbabilisticSamplingStrategy strategy = response.getProbabilisticSampling();
        sampler = new ProbabilisticSampler(strategy.getSamplingRate());
    } else if (response.getRateLimitingSampling() != null) {
        RateLimitingSamplingStrategy strategy = response.getRateLimitingSampling();
        sampler = new RateLimitingSampler(strategy.getMaxTracesPerSecond());
    } else {
        metrics.samplerParsingFailure.inc(1);
        log.error("No strategy present in response. Not updating sampler.");
        return;
    }
    if (!this.sampler.equals(sampler)) {
        this.sampler = sampler;
        metrics.samplerUpdated.inc(1);
    }
}

Example 8 with Sampler

use of io.jaegertracing.spi.Sampler in project jaeger-client-java by jaegertracing.

the class ConfigurationTest method testProbabilisticSampler.

@Test
public void testProbabilisticSampler() {
    SamplerConfiguration samplerConfiguration = new SamplerConfiguration().withType(ProbabilisticSampler.TYPE);
    Sampler sampler = samplerConfiguration.createSampler("name", new Metrics(new InMemoryMetricsFactory()));
    assertTrue(sampler instanceof ProbabilisticSampler);
}

Example 9 with Sampler

use of io.jaegertracing.spi.Sampler in project jaeger-client-java by jaegertracing.

the class ConfigurationTest method testRateLimitingSampler.

@Test
public void testRateLimitingSampler() {
    SamplerConfiguration samplerConfiguration = new SamplerConfiguration().withType(RateLimitingSampler.TYPE);
    Sampler sampler = samplerConfiguration.createSampler("name", new Metrics(new InMemoryMetricsFactory()));
    assertTrue(sampler instanceof RateLimitingSampler);
}

Example 10 with Sampler

use of io.jaegertracing.spi.Sampler in project jaeger-client-java by jaegertracing.

the class JaegerTracerTest method testClose.

@Test
public void testClose() {
    Reporter reporter = mock(Reporter.class);
    Sampler sampler = mock(Sampler.class);
    tracer = new JaegerTracer.Builder("bonda").withReporter(reporter).withSampler(sampler).build();
    tracer.close();
    verify(reporter).close();
    verify(sampler).close();
}