Kafka:MirrorMaker2result

Kafka的MirrorMaker 2是一种数据复制工具，它可以将数据从一个Kafka集群复制到另一个Kafka集群。MirrorMaker 2提供了一种快速、可靠、可配置和可扩展的解决方案，用于从一个Kafka集群复制数据到另一个Kafka集群。

下面是一个使用MirrorMaker 2复制数据的示例代码：

import java.util.Properties;

import org.apache.kafka.clients.consumer.ConsumerConfig;
import org.apache.kafka.clients.producer.ProducerConfig;
import org.apache.kafka.common.serialization.ByteArrayDeserializer;
import org.apache.kafka.common.serialization.ByteArraySerializer;
import org.apache.kafka.common.serialization.StringDeserializer;
import org.apache.kafka.common.serialization.StringSerializer;
import org.apache.kafka.connect.mirror.DefaultMirrorConf;
import org.apache.kafka.connect.mirror.MirrorClient;
import org.apache.kafka.connect.mirror.MirrorConnectorConfig;
import org.apache.kafka.connect.mirror.MirrorHeartbeatThread;
import org.apache.kafka.connect.mirror.MirrorUtils;

public class MirrorMaker2Demo {

    public static void main(String[] args) {
        String srcBootstrapServers = "localhost:9092";
        String destBootstrapServers = "localhost:9093";

        Properties srcProps = new Properties();
        srcProps.setProperty(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, srcBootstrapServers);
        srcProps.setProperty(ConsumerConfig.GROUP_ID_CONFIG, "mirror-maker-2");
        srcProps.setProperty(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, ByteArrayDeserializer.class.getName());
        srcProps.setProperty(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, ByteArrayDeserializer.class.getName());

        Properties destProps = new Properties();
        destProps.setProperty(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, destBootstrapServers);
        destProps.setProperty(ProducerConfig.CLIENT_ID_CONFIG, "mirror-maker-2");
        destProps.setProperty(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, ByteArraySerializer.class.getName());
        destProps.setProperty(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, ByteArraySerializer.class.getName());

        DefaultMirrorConf mirrorConf = MirrorUtils.defaultMirrorConf(srcBootstrapServers);
        mirrorConf.setTargetClusterAlias("dest");
        mirrorConf.setTargetBootstrapServers(destBootstrapServers);
        mirrorConf.setSourceClusterAlias("src");
        MirrorConnectorConfig connectorConfig = new MirrorConnectorConfig(mirrorConf);

        MirrorClient mirrorClient = new MirrorClient(connectorConfig);

        MirrorHeartbeatThread heartbeatThread = new MirrorHeartbeatThread(mirrorClient, connectorConfig);
        heartbeatThread.start();

        MirrorMaker2 mirrorMaker2 = new MirrorMaker2.Builder()
            .consumer(new KafkaConsumer<>(srcProps))
            .producer(new KafkaProducer<>(destProps))
            .messageHandler(new MessageHandler