kqkdChen edited a comment on issue #1442:
URL: 
https://github.com/apache/incubator-iotdb/issues/1442#issuecomment-652326040


   单次发送
   ```python
   from time import *
   import paho.mqtt.publish as publish
   
   
   def timestamp():
       return int(round(time() * 1000))
   
   
   def single(tx_id: str, log_type: str, log_content: str, hostname: str = 
"192.168.3.181", port: int = 1883):
       device_id = "root.log.%s" % tx_id
       payload = "{\n" "\"device\":\"%s\",\n" "\"timestamp\":%d,\n" 
"\"measurements\":[\"type\",\"content\"],\n" "\"values" \
                 "\":[\"%s\",\"%s\"]\n" "}" % (device_id, timestamp(), 
log_type, log_content)
       publish.single(topic=device_id, payload=payload, hostname=hostname, 
port=port)
   
   
   if __name__ == '__main__':
       type_list = ["INFO", "WARNING", "ERROR"]
       content_list = ["content_1", "content_2", "content_3", "content_4"]
       begin_time = time()
       for i in range(10):
           single("1411111111", type_list[i % len(type_list)], content_list[i % 
len(content_list)])
       end_time = time()
       run_time = end_time - begin_time
       print('cost time:', run_time)
   ```


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