asafm commented on code in PR #10156:
URL: https://github.com/apache/pulsar/pull/10156#discussion_r1100153930


##########
pulsar-functions/runtime/src/main/java/org/apache/pulsar/functions/runtime/RuntimeUtils.java:
##########
@@ -464,4 +475,20 @@ public static <T> T getRuntimeFunctionConfig(Map<String, 
Object> configMap, Clas
         return ObjectMapperFactory.getThreadLocal().convertValue(configMap, 
functionRuntimeConfigClass);
     }
 
+    public static void registerDefaultCollectors(CollectorRegistry registry) {
+        // Add the JMX exporter for functionality similar to the kafka connect 
JMX metrics
+        try {
+            new JmxCollector("{}").register(registry);

Review Comment:
   @jerrypeng @srkukarni Isn't that line is a duplicate of all other exporters 
written below but with other names?
   
   For example, `JmxCollector` create 
   ```
   # HELP java_lang_OperatingSystem_ProcessCpuTime 
java.lang:name=null,type=OperatingSystem,attribute=ProcessCpuTime
   # TYPE java_lang_OperatingSystem_ProcessCpuTime untyped
   java_lang_OperatingSystem_ProcessCpuTime 5.28804E8
   
   ```
   
   and `StandardExports` creates:
   `process_cpu_seconds_total`



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