https://www.openmaru.io/kafka-05-%eb%a7%88%ec%bc%80%ed%84%b0%ea%b0%80-chatgpt%eb%a1%9c-%eb%b0%b0%ec%9a%b0%eb%8a%94-kafka-%eb%8f%84%ec%9e%85-%eb%b0%a9%eb%b2%95/