flume消费kafka消息的offset查看方法
kafka版本1.0.1
flume版本1.8.0
offset已经不在zookeeper存储了,存储在__consumer_offsets这个topic里面,具体哪个consumer group存储在这个topic的哪个partition里面通过下面计算方法确定:
public class HelloWorld {
public static void main(String[] args) {
String s2=new String("consumer_flume_kafka_topic_test");
System.out.println(Math.abs(s2.hashCode())%50);
}
}
确定好了partition id之后就可以用下面命令查看信息了:
./kafka-simple-consumer-shell.sh --topic __consumer_offsets --partition 48 --broker-list youBrokerListAddress --formatter "kafka.coordinator.group.GroupMetadataManager\$OffsetsMessageFormatter"
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