[GitHub] [pulsar] gaoran10 commented on a diff in pull request #15963: [fix][broker] KeyShared stickyHashRange subscription: Fix not be able to receive a message when send a can‘t match consumer message

[GitBox <gi...@apache.org>]

gaoran10 commented on code in PR #15963:
URL: https://github.com/apache/pulsar/pull/15963#discussion_r892437081


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pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/PersistentStickyKeyDispatcherMultipleConsumers.java:
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@@ -215,13 +219,18 @@ protected void sendMessagesToConsumers(ReadType readType, List<Entry> entries) {
         final Map<Consumer, Set<Integer>> consumerStickyKeyHashesMap = new HashMap<>();
 
         for (Entry entry : entries) {
-            int stickyKeyHash = getStickyKeyHash(entry);
+            final int stickyKeyHash = getStickyKeyHash(entry);
+            final long ledgerId = entry.getLedgerId();
+            final long entryId = entry.getEntryId();
             Consumer c = selector.select(stickyKeyHash);
             if (c != null) {
                 groupedEntries.computeIfAbsent(c, k -> new ArrayList<>()).add(entry);
                 consumerStickyKeyHashesMap.computeIfAbsent(c, k -> new HashSet<>()).add(stickyKeyHash);
             } else {
-                addMessageToReplay(entry.getLedgerId(), entry.getEntryId(), stickyKeyHash);
+                topic.getBrokerService().executor().schedule(() -> {

Review Comment:
   Is there any difference between scheduled or directly executing the method `addMessageToReplay`?
   
   Do we need to reset the backoff param?



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