python操作kafka
2021/4/29 20:28:59
本文主要是介绍python操作kafka,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
1.生产者推送
# pip install kafka-python import json import time import datetime from kafka import KafkaProducer topic='topic' server="ip:port" # 测试版:无用户名密码 # value_serializer 指定序列号方式,传入字典,转成json字符串 def producer(): producer = KafkaProducer(bootstrap_servers=server, value_serializer=lambda m: json.dumps(m).encode()) for i in range(10): data = {'num': i, 'ts': datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')} producer.send(topic, data) time.sleep(1) print(i) if __name__ == '__main__': producer()
2.消费者拉取
from kafka import KafkaConsumer def consumer(): consumer = KafkaConsumer('top', bootstrap_servers="IP:PORT", group_id='test3', auto_offset_reset='earliest') for msg in consumer: print(msg.value.decode()) if __name__ == '__main__': consumer()
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