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public class MyTestThreads { public static void main(String[] args) { //因为KafkaConsumer不是线程安全的，使用一个对象会报异常 //ConcurrentModificationException: KafkaConsumer is not safe for ...

1）在/opt/module/下创建kafka-offset-console文件夹 [atguigu@hadoop102 module]$ mkdir kafka-offset-console 2）上传KafkaOffsetMonitor-assembly-0.2.0.jar到kafka-offset-console目录下 3）创建启动脚本 [atguigu@hadoop102 kafka...

kafka API https://kafka.apache.org/0100/javadoc/index.html?org/apache/kafka/clients/consumer/KafkaConsumer.html 知乎关于多线程的回答https://www.zhihu.com/question/57483708/answer/153185829 1、高级新api消费者，一个线程一...