k-apol commented on code in PR #20326:
URL: https://github.com/apache/kafka/pull/20326#discussion_r2598291779


##########
streams/src/main/java/org/apache/kafka/streams/processor/internals/InternalTopicManager.java:
##########
@@ -461,121 +466,155 @@ 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> topicsNotReady = new HashSet<>(topics.keySet());
         final Set<String> newlyCreatedTopics = new HashSet<>();
 
         while (!topicsNotReady.isEmpty()) {
             final Set<String> tempUnknownTopics = new HashSet<>();
-            topicsNotReady = validateTopics(topicsNotReady, topics, 
tempUnknownTopics);
-            newlyCreatedTopics.addAll(topicsNotReady);
 
+            // Only consider the not-ready subset on each iteration
+            final Map<String, InternalTopicConfig> notReadyTopicsMap = 
topics.entrySet().stream()
+                    .filter(e -> topicsNotReady.contains(e.getKey()))
+                    .collect(Collectors.toMap(Map.Entry::getKey, 
Map.Entry::getValue));
+            final Set<NewTopic> topicsToCreate = 
computeTopicsToCreate(notReadyTopicsMap, tempUnknownTopics);

Review Comment:
   done in recent commit, resolving



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