[GitHub] [pulsar] lhotari commented on a change in pull request #10180: Use AtomicIntegerFieldUpdater to mutate volatile int totalAvailablePermits in PersistentDispatcherMultipleConsumers class

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

lhotari commented on a change in pull request #10180:
URL: https://github.com/apache/pulsar/pull/10180#discussion_r610756824



##########
File path: pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/PersistentDispatcherMultipleConsumers.java
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@@ -175,7 +175,7 @@ public synchronized void removeConsumer(Consumer consumer) throws BrokerServiceE
                     log.info("[{}] All consumers removed. Subscription is disconnected", name);
                     closeFuture.complete(null);
                 }
-                totalAvailablePermits = 0;
+                TOTAL_AVAILABLE_PERMITS_UPDATER.set(this, 0);

Review comment:
       true. I tried to make it consistent with the style used in NonPersistentDispatcherMultipleConsumers: https://github.com/apache/pulsar/blob/31f831574c3a65bae0e76801facaf2deb0b17fbb/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/nonpersistent/NonPersistentDispatcherMultipleConsumers.java#L104




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