poorbarcode commented on code in PR #23074:
URL: https://github.com/apache/pulsar/pull/23074#discussion_r1693291695
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/service/ServerCnx.java:
##########
@@ -1545,6 +1555,18 @@ protected void handleProducer(final CommandProducer
cmdProducer) {
}
service.getOrCreateTopic(topicName.toString()).thenCompose((Topic
topic) -> {
+ // Check max producer limitation to avoid unnecessary ops
wasting resources. For example: the new
+ // producer reached max producer limitation, but pulsar did
schema check first, it would waste CPU
+ if (((AbstractTopic) topic).isProducersExceeded(producerName))
{
+ log.warn("[{}] Attempting to add producer to topic which
reached max producers limit", topic);
+ String errorMsg = "Topic '" + topicName.toString() + "'
reached max producers limit";
+ Throwable t = new
BrokerServiceException.ProducerBusyException(errorMsg);
+ producerFuture.completeExceptionally(t);
+ producers.remove(producerId, producerFuture);
+ commandSender.sendErrorResponse(requestId,
BrokerServiceException.getClientErrorCode(t), errorMsg);
Review Comment:
Fixed
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