315157973 commented on a change in pull request #13538:
URL: https://github.com/apache/pulsar/pull/13538#discussion_r790143539
##########
File path:
pulsar-broker/src/main/java/org/apache/pulsar/broker/service/ServerCnx.java
##########
@@ -2477,6 +2478,7 @@ public void startSendOperation(Producer producer, int
msgSize, int numMessages)
producer.getTopic().isTopicPublishRateExceeded(numMessages, msgSize);
if (isPreciseTopicPublishRateExceeded) {
producer.getTopic().disableCnxAutoRead();
+ recordRateLimitMetrics(producers.values());
Review comment:
`ServerCnx2` is another channel, connections bound to `ServerCnx1` will
not effect connections bound to `ServerCnx2`. `producers.values()` only get the
producers belong to `ServerCnx1`.
So the code path you show will only disable auto read for connections bound
to `ServerCnx1`. Connections bound to `ServerCnx2` can go on producing.
```
Connection (1) have Producer of topic A and B.
Connection (2) have Producer of topic A and C.
```
If Topic A is a multi-partition topic, only some partitions will be
throttled.
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