init

DataDog · Feb 6, 2025 · 8167ab2 · 8167ab2
1 parent cde9361
commit 8167ab2
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/packages/dd-trace/src/opentracing/propagation/text_map.js b/packages/dd-trace/src/opentracing/propagation/text_map.js
@@ -661,7 +661,8 @@ class TextMapPropagator {
 
     const tid = traceId.substring(0, 16)
 
-    if (tid === zeroTraceId) return
+    // don't set upper 64 bits if they are all zeros or 128 bit trace id generation is disabled
+    if (tid === zeroTraceId || this._config.traceId128BitGenerationEnabled === false) return
 
     spanContext._trace.tags['_dd.p.tid'] = tid
   }