A practical formula for calculating Kafka TCP connection counts in Spring Boot, covering producers, consumers, AdminClient, and how to choose the right Confluent Cloud plan.

想给 Spring Boot API 加速？来聊聊 HTTP/2 的两种模式：带加密的 h2 和“裸奔”的 h2c，看看在微服务里怎么配置和避坑。