example/mqtt/README.md

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# IoTDB-MQTT-Broker Example

## Function
```
The example is to show how to send data to IoTDB from a mqtt client.
```

## Usage

* Update configuration to enable MQTT service. (`enable_mqtt_service=true` in iotdb-datanode.properties)
* Launch the IoTDB server.
* Setup database `CREATE DATABASE root.sg` and create time timeseries `CREATE TIMESERIES root.sg.d1.s1 WITH DATATYPE=DOUBLE, ENCODING=PLAIN`.
* Run `org.apache.iotdb.mqtt.MQTTClient` to run the mqtt client and send events to server.