lhotari commented on code in PR #25681:
URL: https://github.com/apache/pulsar/pull/25681#discussion_r3207261826
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pulsar-broker/src/main/java/org/apache/pulsar/broker/delayed/InMemoryDelayedDeliveryTracker.java:
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@@ -122,21 +122,29 @@ private static long trimLowerBit(long timestamp, int
bits) {
}
@Override
- public boolean addMessage(long ledgerId, long entryId, long deliverAt) {
+ public synchronized boolean addMessage(long ledgerId, long entryId, long
deliverAt) {
Review Comment:
to keep the performance characteristics of the previous implementation, it
would be necessary to use
`synchronized (dispatcher) { ... }` blocks instead of making the methods
`synchronized`. Java will make that a no-op when the thread already holds the
dispatcher's lock which is the current design.
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