title: Multi thread transactional Kafka producer and consumer with Spring Boot
body: <p>I have a project which uses Spring Boot related project. I want to use the Transactional feature of Kafka consumer and producer in the project. I need to produce a lot of messages in Kafka as efficient as possible. So I need a multi-thread consuming and producing for this requirement. How can I use Spring boot for developing a multi-thread consumer and producer?</p>