new Kafka Broker/Channel/Sink requests "CreateTopics" n times #4406
Description
with 1.16 we noticed a couple of unneeded "Create Topic Requests":
shark -r ...kafka-controller-b4c646559-khnl2 | grep Kafka
1636 52.524158 10.131.0.63 → 172.30.179.71 Kafka 91 Kafka Metadata v7 Request
1641 52.525098 172.30.179.71 → 10.131.0.63 Kafka 309 Kafka Metadata v7 Response
1658 52.528969 10.131.0.63 → 10.128.2.29 Kafka 139 Kafka CreateTopics v3 Request
1660 52.560470 10.128.2.29 → 10.131.0.63 Kafka 116 Kafka CreateTopics v3 Response
2074 52.748347 10.131.0.63 → 10.128.2.29 Kafka 139 Kafka CreateTopics v3 Request
2075 52.749500 10.128.2.29 → 10.131.0.63 Kafka 168 Kafka CreateTopics v3 Response [Topic already exists]
2212 52.793653 10.131.0.63 → 10.128.2.29 Kafka 139 Kafka CreateTopics v3 Request
2213 52.794762 10.128.2.29 → 10.131.0.63 Kafka 168 Kafka CreateTopics v3 Response [Topic already exists]
2343 52.819567 10.131.0.63 → 10.128.2.29 Kafka 139 Kafka CreateTopics v3 Request
2344 52.820512 10.128.2.29 → 10.131.0.63 Kafka 168 Kafka CreateTopics v3 Response [Topic already exists]
2481 52.863093 10.131.0.63 → 10.128.2.29 Kafka 139 Kafka CreateTopics v3 Request
2482 52.864078 10.128.2.29 → 10.131.0.63 Kafka 168 Kafka CreateTopics v3 Response [Topic already exists]
2687 53.691616 10.131.0.63 → 10.128.2.29 Kafka 139 Kafka CreateTopics v3 Request
2688 53.692715 10.128.2.29 → 10.131.0.63 Kafka 168 Kafka CreateTopics v3 Response [Topic already exists]
2814 53.768847 10.131.0.63 → 10.128.2.29 Kafka 139 Kafka CreateTopics v3 Request
2815 53.769924 10.128.2.29 → 10.131.0.63 Kafka 168 Kafka CreateTopics v3 Response [Topic already exists]
2928 53.816665 10.131.0.63 → 10.128.2.29 Kafka 139 Kafka CreateTopics v3 Request
2929 53.817722 10.128.2.29 → 10.131.0.63 Kafka 168 Kafka CreateTopics v3 Response [Topic already exists]
The creation of the topic should be skipped if the condition of type: TopicReady is already True