---

id: io-redis-sink title: Redis sink connector sidebar_label: Redis sink connector

The Redis sink connector pulls messages from Pulsar topics and persists the messages to a Redis database.

Configuration

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

Property

Name	Type	Required	Default	Description
redisHosts	String	true	" " (empty string)	A comma-separated list of Redis hosts to connect to.
redisPassword	String	false	" " (empty string)	The password used to connect to Redis.
redisDatabase	int	true	0	The Redis database to connect to.
clientMode	String	false	Standalone	The client mode when interacting with Redis cluster. Below are the available options: Standalone Cluster
autoReconnect	boolean	false	true	Whether the Redis client automatically reconnect or not.
requestQueue	int	false	2147483647	The maximum number of queued requests to Redis.
tcpNoDelay	boolean	false	false	Whether to enable TCP with no delay or not.
keepAlive	boolean	false	false	Whether to enable a keepalive to Redis or not.
connectTimeout	long	false	10000	The time to wait before timing out when connecting in milliseconds.
operationTimeout	long	false	10000	The time before an operation is marked as timed out in milliseconds .
batchTimeMs	int	false	1000	The Redis operation time in milliseconds.
batchSize	int	false	200	The batch size of writing to Redis database.

Example

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

• JSON

  {
      "redisHosts": "localhost:6379",
      "redisPassword": "fake@123",
      "redisDatabase": "1",
      "clientMode": "Standalone",
      "operationTimeout": "2000",
      "batchSize": "100",
      "batchTimeMs": "1000",
      "connectTimeout": "3000"
  }
  

• YAML

  {
      redisHosts: "localhost:6379"
      redisPassword: "fake@123"
      redisDatabase: 1
      clientMode: "Standalone"
      operationTimeout: 2000
      batchSize: 100
      batchTimeMs: 1000
      connectTimeout: 3000
  }