codelipenghui commented on a change in pull request #14727:
URL: https://github.com/apache/pulsar/pull/14727#discussion_r829676764
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File path:
pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/PersistentSubscription.java
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@@ -307,6 +307,8 @@ public synchronized void removeConsumer(Consumer consumer,
boolean isResetCursor
msgOutFromRemovedConsumer.add(stats.msgOutCounter);
if (dispatcher != null && dispatcher.getConsumers().isEmpty()) {
+ // clear delay message avoid duplicate.
+ dispatcher.clearDelayedMessages();
Review comment:
There are other places will call `cursor.rewind();` in the
PersistentDispatcherMultipleConsumers. The cursor rewind will cause to add the
duplicated delayed message index, and reset the cursor will also introduce this
problem, could you please check them?
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