Kafka集群（ 2.8.0版本）之四：Java简单实现生产者和消费者

9092] buffer.memory = 33554432 client.dns.lookup = use_all_dns_ips client.id = producer o.a.kafka.common.utils.AppInfoParser : Kafka startTimeMs: 1630936277082 2021-09-06 21:51:17.092 INFO 20561 --- [ad | producer -3] org.apache.kafka.clients.Metadata : [Producer clientId=producer-3] Cluster ID: R99s2cu-SoWrPuhulozybg 17.093 INFO 20561 --- [nio-7780-exec-4] o.a.k.clients.producer.KafkaProducer : [Producer clientId=producer 20561 --- [nio-7780-exec-4] o.a.kafka.common.utils.AppInfoParser : App info kafka.producer for producer