【Kafka】
阿新 • • 發佈:2017-09-26
host 字符 style col trie tostring send for topic
KafkaProducer
Kafka消息發布客戶端。
線程安全,跨線程共享單個生產者實例通常比擁有多個實例的速度更快。
例子,使用生產者發送包含序列號的字符串作為鍵/值對的記錄:
Properties props = new Properties(); props.put("bootstrap.servers", "localhost:9092"); 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<>(props); for (int i = 0; i < 100; i++) producer.send(new ProducerRecord<String, String>("my-topic", Integer.toString(i), Integer.toString(i))); producer.close();
【Kafka】