divijvaidya commented on code in PR #13561:
URL: https://github.com/apache/kafka/pull/13561#discussion_r1293224397


##########
core/src/main/java/kafka/log/remote/RemoteLogManager.java:
##########
@@ -581,11 +588,18 @@ public void run() {
                 if (isLeader()) {
                     // Copy log segments to remote storage
                     copyLogSegmentsToRemote();
+                    // Cleanup/delete expired remote log segments
+                    cleanupExpiredRemoteLogSegments();
+                } else {
+                    Optional<UnifiedLog> unifiedLogOptional = 
fetchLog.apply(topicIdPartition.topicPartition());
+                    if (unifiedLogOptional.isPresent()) {
+                        long offset = 
findHighestRemoteOffset(topicIdPartition);
+                        
unifiedLogOptional.get().updateHighestOffsetInRemoteStorage(offset);

Review Comment:
   @satishd can you please address this comment. Multiple folks have asked me 
why this code of line exists which makes me believe that a comment explaining 
the purpose here would be nice.



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