From dd93dbea0f2b5628470027a047bf1b9c0da988b2 Mon Sep 17 00:00:00 2001
From: Paul Carter-Brown <paul.carter-brown@jini.guru>
Date: Tue, 4 Aug 2020 15:39:10 +0200
Subject: [PATCH] Don't use string format for hex conversion due to high
 overhead

---
 .../src/main/java/io/quarkus/jaeger/runtime/MDCScope.java       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/extensions/jaeger/runtime/src/main/java/io/quarkus/jaeger/runtime/MDCScope.java b/extensions/jaeger/runtime/src/main/java/io/quarkus/jaeger/runtime/MDCScope.java
index 8e8ae138f46e7..34471463a96ce 100644
--- a/extensions/jaeger/runtime/src/main/java/io/quarkus/jaeger/runtime/MDCScope.java
+++ b/extensions/jaeger/runtime/src/main/java/io/quarkus/jaeger/runtime/MDCScope.java
@@ -58,7 +58,7 @@ public Span span() {
 
     protected void putContext(JaegerSpanContext spanContext) {
         MDC.put(TRACE_ID, spanContext.getTraceId());
-        MDC.put(SPAN_ID, String.format("%16x", spanContext.getSpanId()));
+        MDC.put(SPAN_ID, Long.toHexString(spanContext.getSpanId()));
         MDC.put(SAMPLED, Boolean.toString(spanContext.isSampled()));
     }
 }