kafka生产者 API Demo

<dependency>
    <groupId>org.apache.kafkagroupId>
    <artifactId>kafka-clientsartifactId>
     <version>0.11.0.0version>
dependency>

package com.kpwong.producer;

import org.apache.kafka.clients.producer.KafkaProducer;
import org.apache.kafka.clients.producer.ProducerRecord;

import java.util.Properties;

public class MyProducer {
    public static void main(String[] args) {

        //Create kafka 生产者配置信息
        Properties properties = new Properties();
        //kafka 集群， broker list
        properties.put("bootstrap.servers", "hadoop202:9092");
        properties.put("acks", "all");
        //重试次数
        properties.put("retries", 1);
        //批次大小
        properties.put("batch.size", 16384);
        //等待时间
        properties.put("linger.ms", 1);
        //RecordAccumulator 缓冲区大小 32M
        properties.put("buffer.memory", 33554432);
        // key value 的序列化类
        properties.put("key.serializer","org.apache.kafka.common.serialization.StringSerializer");
        properties.put("value.serializer","org.apache.kafka.common.serialization.StringSerializer");
        //创建生产者对象
        KafkaProducer producer = new KafkaProducer(properties);

        //发送数据
        for(int i = 11 ;i <= 20;i++)
        {
            producer.send(new ProducerRecord("two","kpwong--"+i));
        }

        //关闭连接
        producer.close();

    }
}

bin/kafka-console-consumer.sh  --bootstrap-server hadoop202:9092 --topic two