Github user michaelandrepearce commented on a diff in the pull request:
https://github.com/apache/activemq-artemis/pull/1496#discussion_r135966165
--- Diff:
artemis-server/src/main/java/org/apache/activemq/artemis/core/server/impl/QueueImpl.java
---
@@ -177,9 +177,9 @@
private final ScheduledDeliveryHandler scheduledDeliveryHandler;
- private long messagesAdded;
+ private AtomicLong messagesAdded = new AtomicLong(0);
--- End diff --
To be more memory friendly where lots of queues can the long be volatile
and then use a AtomicLongFieldUpdater to safely update.
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