vamossagar12 commented on a change in pull request #9508:
URL: https://github.com/apache/kafka/pull/9508#discussion_r530403193



##########
File path: 
streams/src/main/java/org/apache/kafka/streams/state/internals/MeteredKeyValueStore.java
##########
@@ -229,6 +230,15 @@ public V delete(final K key) {
         }
     }
 
+    @Override
+    public <PS extends Serializer<P>, P> KeyValueIterator<K, V> 
prefixScan(final P prefix, final PS prefixKeySerializer) {
+
+        return new MeteredKeyValueIterator(
+                wrapped().prefixScan(prefix, prefixKeySerializer),
+                rangeSensor

Review comment:
       @cadonna , you are right, the KIP and the KIP discussion didn't involve 
a discussion on this. I would love to hear the thoughts of yours and the 
reviewers.
   




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