---
id: io-influxdb-sink
title: InfluxDB sink connector
sidebar_label: InfluxDB sink connector
---

The InfluxDB sink connector pulls messages from Pulsar topics 
and persists the messages to InfluxDB.

## Configuration

The configuration of the InfluxDB sink connector has the following properties.

### Property

| Name | Type|Required | Default | Description 
|------|----------|----------|---------|-------------|
| `influxdbUrl` |String| true|" " (empty string) | The URL of the InfluxDB instance. |
| `username` | String|false| " " (empty string) |The username used to authenticate to InfluxDB. |
| `password` | String| false|" " (empty string)  | The password used to authenticate to InfluxDB. |
| `database` |String| true | " " (empty string)| The InfluxDB to which write messages. |
| `consistencyLevel` | String|false|ONE | The consistency level for writing data to InfluxDB. <br><br>Below are the available options:<li>ALL<br><li> ANY<br><li>ONE<br><li>QUORUM |
| `logLevel` | String|false| NONE|The log level for InfluxDB request and response. <br><br>Below are the available options:<li>NONE<br><li>BASIC<br><li>HEADERS<br><li>FULL|
| `retentionPolicy` | String|false| autogen| The retention policy for InfluxDB. |
| `gzipEnable` | boolean|false | false | Whether to enable gzip or not. |
| `batchTimeMs` |long|false| 1000L |   The InfluxDB operation time in milliseconds. |
| `batchSize` | int|false|200| The batch size of writing to InfluxDB. |

### Example

Before using the InfluxDB sink connector, you need to create a configuration file through one of the following methods.

* JSON 

    ```json
    {
        "influxdbUrl": "http://localhost:8086",
        "database": "test_db",
        "consistencyLevel": "ONE",
        "logLevel": "NONE",
        "retentionPolicy": "autogen",
        "gzipEnable": false,
        "batchTimeMs": 1000,
        "batchSize": 100
    }
    ```

* YAML

    ```yaml
    {
        influxdbUrl: "http://localhost:8086"
        database: "test_db"
        consistencyLevel": "ONE"
        logLevel: "NONE"
        retentionPolicy: "autogen"
        gzipEnable: false
        batchTimeMs: 1000
        batchSize: 100
    }
    ```
