codelipenghui commented on code in PR #16336:
URL: https://github.com/apache/pulsar/pull/16336#discussion_r913085688
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pulsar-client/src/main/java/org/apache/pulsar/client/impl/MultiTopicsConsumerImpl.java:
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@@ -268,7 +275,7 @@ private void receiveMessageFromConsumer(ConsumerImpl<T>
consumer) {
} else {
// Call receiveAsync() if the incoming queue is not full.
Because this block is run with
// thenAcceptAsync, there is no chance for recursion that
would lead to stack overflow.
- receiveMessageFromConsumer(consumer);
+ receiveMessageFromConsumer(consumer, messages.size() > 0);
Review Comment:
Yes, if `messages.size() = 0`, the current round of receive messages from
the internal consumer will use `consumer.receiveAsync()`. After the internal
consumer has new incoming messages, the next round will use the
`batchReceiveAsync()` again.
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