Package 

Class RateByServiceTraceSampler

  • All Implemented Interfaces:
    com.datadog.trace.common.sampling.PrioritySampler , com.datadog.trace.common.sampling.Sampler , com.datadog.trace.common.writer.RemoteResponseListener 
    
public class RateByServiceTraceSampler
 implements Sampler, PrioritySampler, RemoteResponseListener

    A rate sampler which maintains different sample rates per service+env name.

    The configuration of (serviceName,env)->rate is configured by the core agent.

    • Method Summary

      Modifier and Type Method Description
      <T extends CoreSpan<T>> boolean sample(T span) Sample a collection of traces based on the parent span
      <T extends CoreSpan<T>> void setSamplingPriority(T span) If span is a root span, set the span context samplingPriority to keep or drop
      void onResponse(String endpoint, Map<String, Map<String, Number>> responseJson) Invoked after the api receives a response from the remote service.

      • Methods inherited from class com.datadog.trace.common.sampling.Sampler

        sample

      • Methods inherited from class com.datadog.trace.common.sampling.PrioritySampler

        setSamplingPriority

      • Methods inherited from class com.datadog.trace.common.writer.RemoteResponseListener

        onResponse

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Method Detail

      • sample

         <T extends CoreSpan<T>> boolean sample(T span)

        Sample a collection of traces based on the parent span

        Parameters:
        span - the parent span with its context

      • setSamplingPriority

         <T extends CoreSpan<T>> void setSamplingPriority(T span)

        If span is a root span, set the span context samplingPriority to keep or drop