kafkaProducer 1.1 读取文件目录文件，发送到kafka Topic

最新推荐文章于 2024-05-29 00:53:40 发布

lazyman001

最新推荐文章于 2024-05-29 00:53:40 发布

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文章标签： kafka

原文链接：https://blog.youkuaiyun.com/weixin_42887459/article/details/85119911

版权

package domain;

import org.apache.kafka.clients.producer.KafkaProducer;
import org.apache.kafka.clients.producer.Producer;
import org.apache.kafka.clients.producer.ProducerRecord;
import java.io.*;
import java.util.Properties;
public class run {
//读取文件流以静态变量读取
static FileInputStream fis = null;
static InputStreamReader isr = null;
static BufferedReader br = null;
static String tempString = null;
static int count = 0;
//kafka Producer 静态变量创建对象
static Producer<String, String> producer = null;
static File file = null;

public static void main(String[] args) throws IOException, InterruptedException {
//读取文件形成一个持续写入kafka Producer的流
while (true) {
Properties props = new Properties();
//kafka brokerlist
props.put(“bootstrap.servers”, “10.62.200.200:9092,10.62.200.201:9092,10.62.200.202:9092”);
//ack “0,1,-1 all"四种，1为文件patition leader完成写入就算完成
props.put(“acks”, “1”);
props.put(“retries”, 0);
props.put(“batch.size”, 16384);
props.put(“linger.ms”, 1);
props.put(“buffer.memory”, 33554432);
//必须设置(k,v)的序列化详情见kafkaProducer 的构造函数
props.put(“key.serializer”, “org.apache.kafka.common.serialization.StringSerializer”);
props.put(“value.serializer”, “org.apache.kafka.common.serialization.StringSerializer”);
producer = new KafkaProducer<>(props);
//指定目录
file = new File(”/udata/DataSource");
File[] files = file.listFiles();
for (File filenew : files) {

        fis = new FileInputStream(filenew);
        isr = new InputStreamReader(fis);
        br = new BufferedReader(isr);

        while ((tempString = br.readLine()) != null) {
            count++;
            //每条消息间隔2秒
            Thread.sleep(2000);

            producer.send(
                    new ProducerRecord<>("tmp", Integer.toString(count), tempString));
                    //发送完成后打印发送数据
            System.out.println(tempString);
        }

    }
    producer.close();
}

}

原文链接：https://blog.youkuaiyun.com/weixin_42887459/article/details/85119911