DL1231 commented on code in PR #13947:
URL: https://github.com/apache/kafka/pull/13947#discussion_r1263172722


##########
core/src/main/java/kafka/log/remote/RemoteLogManager.java:
##########
@@ -556,6 +562,46 @@ public void copyLogSegmentsToRemote(UnifiedLog log) throws 
InterruptedException
             }
         }
 
+        public void cleanupDeletedRemoteLogSegments() {
+            if (isCancelled())
+                return;
+
+            Uuid topicId = topicIdPartition.topicId();
+            if (deletedTopicIds.contains(topicId)) {
+                cleanupAllRemoteLogSegments();
+                cancelRLMtask();
+                deletedTopicIds.remove(topicId);
+            }
+        }
+
+        private void cleanupAllRemoteLogSegments() {

Review Comment:
   I think the topic deletion process of Kafka is irreversible.  In what 
circumstances would each replica restart after the deletion of a topic?



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