kezhenxu94 commented on a change in pull request #3068: improve
ContextManager.stopSpan performance: call ThreadLocal only once
URL: https://github.com/apache/skywalking/pull/3068#discussion_r303466236
##########
File path:
apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/context/ContextManager.java
##########
@@ -165,12 +166,20 @@ public static AbstractSpan activeSpan() {
return get().activeSpan();
}
+ /**
+ * Plese use `ContextManager.stopSpan(span)` if could, it's can "fail-fast"
+ */
public static void stopSpan() {
- stopSpan(activeSpan());
+ final AbstractTracerContext context = get();
+ stopSpan(context.activeSpan(),context);
}
public static void stopSpan(AbstractSpan span) {
- if (get().stopSpan(span)) {
+ stopSpan(span,get());
+ }
+
+ private static void stopSpan(AbstractSpan span,final AbstractTracerContext
context) {
Review comment:
```suggestion
private static void stopSpan(AbstractSpan span, final
AbstractTracerContext context) {
```
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