kezhenxu94 commented on a change in pull request #6272:
URL: https://github.com/apache/skywalking/pull/6272#discussion_r565919152



##########
File path: 
apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/context/ContextManagerExtendService.java
##########
@@ -84,4 +92,10 @@ public AbstractTracerContext createTraceContext(String 
operationName, boolean fo
     public void statusChanged(final GRPCChannelStatus status) {
         this.status = status;
     }
+
+    void handleIgnoreSuffixPatternsChanged() {
+        if 
(StringUtil.isNotBlank(ignoreSuffixPatternsWatcher.getIgnoreSuffixPatterns())) {
+            ignoreSuffixArray = 
ignoreSuffixPatternsWatcher.getIgnoreSuffixPatterns().split(",");

Review comment:
       > The ignoreSuffixArray doesn't have volatile key word, due to another 
thread is watching and updating the value, the latest value will not be 
affected in some threads immediately. According to this kind of update is not 
urgent, it should be fine.
   
   Since most of the notifications of config centers are not real-time (have 
delay) themselves, the fields not being `volatile` may be acceptable if it has 
no side effects.
   
   > According to this kind of update is not urgent, it should be fine. But I 
am to check with you two, have we agreed this is our conclusion?
   
   I don't remember we have this conclusion before. TBH, I didn't notice this 
part indeed 🤦🏻‍♂️




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