johnnychhsu commented on code in PR #15483:
URL: https://github.com/apache/kafka/pull/15483#discussion_r1527553634


##########
clients/src/main/java/org/apache/kafka/common/metrics/KafkaMetric.java:
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@@ -40,15 +48,30 @@ public KafkaMetric(Object lock, MetricName metricName, 
MetricValueProvider<?> va
         this.time = time;
     }
 
+    /**
+     * Get the configuration of this metric
+     * @return Return the config of this metric
+     */
     public MetricConfig config() {
-        return this.config;
+        synchronized (lock) {

Review Comment:
   sure, let me address this. I think you are right, this is a different issue. 
Thanks for pointing this out!



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