Examples with DynamicMetricsProvider com.hazelcast.internal.metrics.DynamicMetricsProvider used on opensource projects

Example 1 with DynamicMetricsProvider

use of com.hazelcast.internal.metrics.DynamicMetricsProvider in project hazelcast by hazelcast.

the class ProcessorTasklet method provideDynamicMetrics.

@Override
public void provideDynamicMetrics(MetricDescriptor descriptor, MetricsCollectionContext mContext) {
    descriptor = descriptor.withTag(MetricTags.VERTEX, this.context.vertexName()).withTag(MetricTags.PROCESSOR_TYPE, this.processor.getClass().getSimpleName()).withTag(MetricTags.PROCESSOR, Integer.toString(this.context.globalProcessorIndex()));
    if (isSource) {
        descriptor = descriptor.withTag(MetricTags.SOURCE, "true");
    }
    if (outstreams.length == 0) {
        descriptor = descriptor.withTag(MetricTags.SINK, "true");
    }
    for (int i = 0; i < instreams.size(); i++) {
        MetricDescriptor descWithOrdinal = descriptor.copy().withTag(MetricTags.ORDINAL, String.valueOf(i));
        mContext.collect(descWithOrdinal, RECEIVED_COUNT, ProbeLevel.INFO, ProbeUnit.COUNT, receivedCounts.get(i));
        mContext.collect(descWithOrdinal, RECEIVED_BATCHES, ProbeLevel.INFO, ProbeUnit.COUNT, receivedBatches.get(i));
    }
    for (int i = 0; i < emittedCounts.length() - (this.context.snapshottingEnabled() ? 0 : 1); i++) {
        String ordinal = i == emittedCounts.length() - 1 ? "snapshot" : String.valueOf(i);
        MetricDescriptor descriptorWithOrdinal = descriptor.copy().withTag(MetricTags.ORDINAL, ordinal);
        mContext.collect(descriptorWithOrdinal, EMITTED_COUNT, ProbeLevel.INFO, ProbeUnit.COUNT, emittedCounts.get(i));
    }
    mContext.collect(descriptor, TOP_OBSERVED_WM, ProbeLevel.INFO, ProbeUnit.MS, watermarkCoalescer.topObservedWm());
    mContext.collect(descriptor, COALESCED_WM, ProbeLevel.INFO, ProbeUnit.MS, watermarkCoalescer.coalescedWm());
    mContext.collect(descriptor, LAST_FORWARDED_WM, ProbeLevel.INFO, ProbeUnit.MS, outbox.lastForwardedWm());
    mContext.collect(descriptor, LAST_FORWARDED_WM_LATENCY, ProbeLevel.INFO, ProbeUnit.MS, lastForwardedWmLatency());
    mContext.collect(descriptor, this);
    // collect static metrics from processor
    mContext.collect(descriptor, this.processor);
    // collect dynamic metrics from processor
    if (processor instanceof DynamicMetricsProvider) {
        ((DynamicMetricsProvider) processor).provideDynamicMetrics(descriptor.copy(), mContext);
    }
    if (context instanceof ProcCtx) {
        ((ProcCtx) context).metricsContext().provideDynamicMetrics(descriptor, mContext);
    }
}

Example 2 with DynamicMetricsProvider

use of com.hazelcast.internal.metrics.DynamicMetricsProvider in project hazelcast by hazelcast.

the class LongGaugeImplTest method whenCacheDynamicMetricValueReplacedWithCachedMetricSource.

@Test
public void whenCacheDynamicMetricValueReplacedWithCachedMetricSource() {
    LongGaugeImpl longGauge = metricsRegistry.newLongGauge("foo.longField");
    // provide concrete value
    DynamicMetricsProvider concreteProvider = (descriptor, context) -> context.collect(descriptor.withPrefix("foo"), "longField", INFO, COUNT, 142);
    metricsRegistry.registerDynamicMetricsProvider(concreteProvider);
    // needed to collect dynamic metrics and update the gauge created from them
    metricsRegistry.collect(mock(MetricsCollector.class));
    assertEquals(142, longGauge.read());
    metricsRegistry.deregisterDynamicMetricsProvider(concreteProvider);
    // provide metric source to be cached
    SomeObject someObject = new SomeObject();
    someObject.longField = 42;
    metricsRegistry.registerDynamicMetricsProvider(someObject);
    // needed to collect dynamic metrics and update the gauge created from them
    metricsRegistry.collect(mock(MetricsCollector.class));
    assertEquals(42, longGauge.read());
}

Example 3 with DynamicMetricsProvider

use of com.hazelcast.internal.metrics.DynamicMetricsProvider in project hazelcast by hazelcast.

the class LongGaugeImplTest method whenNotVisitedWithCachedValueReadsDefault.

@Test
public void whenNotVisitedWithCachedValueReadsDefault() {
    DynamicMetricsProvider concreteProvider = (descriptor, context) -> context.collect(descriptor.withPrefix("foo"), "longField", INFO, COUNT, 42);
    metricsRegistry.registerDynamicMetricsProvider(concreteProvider);
    LongGaugeImpl longGauge = metricsRegistry.newLongGauge("foo.longField");
    // needed to collect dynamic metrics and update the gauge created from them
    metricsRegistry.collect(mock(MetricsCollector.class));
    assertEquals(42, longGauge.read());
    // clears the cached metric source
    metricsRegistry.deregisterDynamicMetricsProvider(concreteProvider);
    metricsRegistry.collect(mock(MetricsCollector.class));
    assertEquals(LongGaugeImpl.DEFAULT_VALUE, longGauge.read());
}

Example 4 with DynamicMetricsProvider

use of com.hazelcast.internal.metrics.DynamicMetricsProvider in project hazelcast by hazelcast.

the class DoubleGaugeImplTest method whenCacheDynamicMetricValueReplacedWithCachedMetricSource.

@Test
public void whenCacheDynamicMetricValueReplacedWithCachedMetricSource() {
    DoubleGauge doubleGauge = metricsRegistry.newDoubleGauge("foo.doubleField");
    // provide concrete value
    DynamicMetricsProvider concreteProvider = (descriptor, context) -> context.collect(descriptor.withPrefix("foo"), "doubleField", INFO, COUNT, 142.42D);
    metricsRegistry.registerDynamicMetricsProvider(concreteProvider);
    // needed to collect dynamic metrics and update the gauge created from them
    metricsRegistry.collect(mock(MetricsCollector.class));
    assertEquals(142.42D, doubleGauge.read(), 10E-6);
    metricsRegistry.deregisterDynamicMetricsProvider(concreteProvider);
    // provide metric source to be cached
    SomeObject someObject = new SomeObject();
    someObject.doubleField = 42.42D;
    metricsRegistry.registerDynamicMetricsProvider(someObject);
    // needed to collect dynamic metrics and update the gauge created from them
    metricsRegistry.collect(mock(MetricsCollector.class));
    assertEquals(42.42D, doubleGauge.read(), 10E-6);
}

Example 5 with DynamicMetricsProvider

use of com.hazelcast.internal.metrics.DynamicMetricsProvider in project hazelcast by hazelcast.

the class DoubleGaugeImplTest method whenNotVisitedWithCachedValueReadsDefault.

@Test
public void whenNotVisitedWithCachedValueReadsDefault() {
    DynamicMetricsProvider concreteProvider = (descriptor, context) -> context.collect(descriptor.withPrefix("foo"), "doubleField", INFO, COUNT, 42.42D);
    metricsRegistry.registerDynamicMetricsProvider(concreteProvider);
    DoubleGauge doubleGauge = metricsRegistry.newDoubleGauge("foo.doubleField");
    // needed to collect dynamic metrics and update the gauge created from them
    metricsRegistry.collect(mock(MetricsCollector.class));
    assertEquals(42.42D, doubleGauge.read(), 10E-6);
    // clears the cached metric source
    metricsRegistry.deregisterDynamicMetricsProvider(concreteProvider);
    metricsRegistry.collect(mock(MetricsCollector.class));
    assertEquals(DoubleGaugeImpl.DEFAULT_VALUE, doubleGauge.read(), 10E-6);
}