mjsax commented on code in PR #20326:
URL: https://github.com/apache/kafka/pull/20326#discussion_r2281015519


##########
streams/src/main/java/org/apache/kafka/streams/processor/internals/InternalTopicManager.java:
##########
@@ -461,120 +466,119 @@ public Set<String> makeReady(final Map<String, 
InternalTopicConfig> topics) {
         // have existed with the expected number of partitions, or some create 
topic returns fatal errors.
         log.debug("Starting to validate internal topics {} in partition 
assignor.", topics);
 
-        long currentWallClockMs = time.milliseconds();
+        final long currentWallClockMs = time.milliseconds();
         final long deadlineMs = currentWallClockMs + retryTimeoutMs;
 
-        Set<String> topicsNotReady = new HashSet<>(topics.keySet());
-        final Set<String> newlyCreatedTopics = new HashSet<>();
+        final Set<String> topicsNotReady = new HashSet<>(topics.keySet());
+        final Set<String> newTopics = new HashSet<>();

Review Comment:
   In the end, both `createTopics(...)` and `computeTopicsToCreate(...)` imply 
side effects, for book keeping, but these side effects make it hard to actually 
reason about the control flow...
   
   Thoughts?



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