lhotari commented on code in PR #23904:
URL: https://github.com/apache/pulsar/pull/23904#discussion_r1936783776
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/PersistentStickyKeyDispatcherMultipleConsumers.java:
##########
@@ -439,12 +439,17 @@ private Map<Consumer, List<Entry>>
filterAndGroupEntriesForDispatching(List<Entr
permitsForConsumer.computeIfAbsent(consumer,
k -> new
MutableInt(getAvailablePermits(k)));
// a consumer was found for the sticky key hash and the
entry can be dispatched
- if (permits.intValue() > 0
- && canDispatchEntry(consumer, entry, readType,
stickyKeyHash, blockedByHash)) {
- // decrement the permits for the consumer
- permits.decrement();
- // allow the entry to be dispatched
- dispatchEntry = true;
+ if (permits.intValue() > 0) {
+ boolean canDispatchEntry = canDispatchEntry(consumer,
entry, readType, stickyKeyHash);
+ if (!canDispatchEntry) {
+ if(blockedByHash != null){
+ blockedByHash.setTrue();
+ }
+ // decrement the permits for the consumer
+ permits.decrement();
+ // allow the entry to be dispatched
+ dispatchEntry = true;
+ }
Review Comment:
> Could you explain it in detail? @lhotari
Here's Deepseek's detailed explanation based on
https://github.com/apache/pulsar/pull/23904.patch
<img width="903" alt="image"
src="https://github.com/user-attachments/assets/94d7bd69-7293-403b-bd6e-1c3b5fb1e005";
/>
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