From 87daa3b68b68ef9c289f5425a1fb2dbca4dc70bd Mon Sep 17 00:00:00 2001 From: Nikolay Martynov Date: Mon, 22 Oct 2018 20:56:24 -0400 Subject: [PATCH] Add a comment about runtimeId --- dd-trace-api/src/main/java/datadog/trace/api/Config.java | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/dd-trace-api/src/main/java/datadog/trace/api/Config.java b/dd-trace-api/src/main/java/datadog/trace/api/Config.java index 19015f916e..40814027c2 100644 --- a/dd-trace-api/src/main/java/datadog/trace/api/Config.java +++ b/dd-trace-api/src/main/java/datadog/trace/api/Config.java @@ -62,6 +62,10 @@ public class Config { public static final int DEFAULT_JMX_FETCH_STATSD_PORT = 8125; + /** + * this is a random UUID that gets generated on JVM start up and is attached to every root span + * and every JMX metric that is sent out. + */ @Getter private final String runtimeId; @Getter private final String serviceName;