SampleProducer.java

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

import java.util.Properties;
import java.util.Random;

public class SampleProducer {
    public static void main(String[] args) {
        Properties props = new Properties();
        props.put("bootstrap.servers", "kafka-a.company.com:9092,kafka-b.company.com:9092,kafka-c.company.com:9092");
        props.put(CommonClientConfigs.SECURITY_PROTOCOL_CONFIG, "SASL_SSL");
        props.put("sasl.mechanism", "PLAIN");
        props.put("acks", "all");
        props.put("retries", 0);
        props.put("batch.size", 16384);
        props.put("linger.ms", 1);
        props.put("buffer.memory", 33554432);
        props.put("key.serializer", "org.apache.kafka.common.serialization.StringSerializer");
        props.put("value.serializer", "org.apache.kafka.common.serialization.StringSerializer");

        Producer<String, String> producer = new KafkaProducer<String, String>(props);

        Random rand = new Random();
        for (int i = 0; i < 100; i++)
            producer.send(new ProducerRecord<String, String>("cost-amend-topic", Integer.toString(i), Integer
                    .toString(rand.nextInt())));
        producer.close();
    }
}