BewareMyPower commented on code in PR #21187:
URL: https://github.com/apache/pulsar/pull/21187#discussion_r1456918282


##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/PersistentDispatcherSingleActiveConsumer.java:
##########
@@ -362,7 +363,12 @@ private void readMoreEntries(Consumer consumer) {
                 }
                 havePendingRead = true;
                 if (consumer.readCompacted()) {
-                    boolean readFromEarliest = isFirstRead && 
MessageId.earliest.equals(consumer.getStartMessageId());
+                    boolean readFromEarliest = false;
+                    if (!cursor.isDurable() || ((ManagedCursorImpl) 
cursor).isCompactionCursor()
+                            || cursor.getMarkDeletedPosition() == null
+                            || cursor.getMarkDeletedPosition().getEntryId() == 
-1L) {
+                        readFromEarliest = isFirstRead && 
MessageId.earliest.equals(consumer.getStartMessageId());
+                    }

Review Comment:
   > If the mark-delete position is null and 
subscriptionInitialPosition=Earliest
   
   Could you add a test for it?



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