Sorted:

What are the reasons why Kafka messages do not get lost?

What is the difference between k8s and Docker?

How to restart Spring Boot deployment using Docker?

How can I check if an index is being used in DB2?

What is the principle behind hot deployment in Spring Boot?

How can messages be sent to a Kafka topic?

What is the relationship between Flink and Kafka?

How to configure the database connection file in PLSQL?

How is the concat_ws function used in MySQL?

What are the advantages of deploying containers with Kubernetes (k8s)?