use trace ID to map to individual stacks of active contexts

Author: gary-huang

dd-trace-core/src/main/java/datadog/trace/common/writer/DDIntakeWriter.java

@@ -12,8 +12,6 @@
 import java.util.EnumMap;
 import java.util.Map;
 import java.util.concurrent.TimeUnit;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 public class DDIntakeWriter extends RemoteWriter {
 
@@ -42,8 +40,6 @@ public static class DDIntakeWriterBuilder {
 
     private SingleSpanSampler singleSpanSampler;
 
-    private static final Logger log = LoggerFactory.getLogger(DDIntakeWriterBuilder.class);
-
     public DDIntakeWriterBuilder addTrack(final TrackType trackType, final RemoteApi intakeApi) {
       tracks.put(trackType, intakeApi);
       return this;
@@ -102,7 +98,6 @@ public DDIntakeWriterBuilder singleSpanSampler(SingleSpanSampler singleSpanSampl
     }
 
     public DDIntakeWriter build() {
-      log.debug("DDINTAKEWRITER TRACKS {}", tracks);
       if (tracks.isEmpty()) {
         throw new IllegalArgumentException("At least one track needs to be configured");
       }
@@ -116,11 +111,7 @@ public DDIntakeWriter build() {
                 .map(this::createDispatcher)
                 .toArray(PayloadDispatcher[]::new);
         dispatcher = new CompositePayloadDispatcher(dispatchers);
-        for (PayloadDispatcher dispatcher2 : dispatchers) {
-          log.debug("COMP DISPATCHER {}", dispatcher2);
-        }
       }
-      log.debug("DISPATCHER {}", dispatcher);
 
       final TraceProcessingWorker traceProcessingWorker =
           new TraceProcessingWorker(

dd-trace-core/src/main/java/datadog/trace/common/writer/ddintake/DDEvpProxyApi.java

@@ -128,7 +128,6 @@ private DDEvpProxyApi(
   public Response sendSerializedTraces(Payload payload) {
     final int sizeInBytes = payload.sizeInBytes();
 
-    log.debug("SENDING PL {} TO TRACK {}", payload, trackType);
     Request.Builder builder =
         new Request.Builder()
             .url(proxiedApiUrl)

dd-trace-core/src/main/java/datadog/trace/core/CoreTracer.java

@@ -673,7 +673,6 @@ private CoreTracer(
     } else {
       this.writer = writer;
     }
-    log.debug("STARTED WRITER {}", this.writer);
 
     if (config.isCiVisibilityEnabled()
         && (config.isCiVisibilityAgentlessEnabled()