Redis

See the changelog of this Action type here.

Overview

Redis is a powerful in-memory data structure store that can be used as a database, cache, and message broker. It provides high performance, scalability, and versatility, making it a popular choice for real-time applications and data processing.

The Redis Action allows users to set and retrieve data from a Redis server.

In order to configure this action, you must first link it to a Listener. Go to Building a Pipeline to learn how to link.

Ports

These are the input and output ports of this Action:

Input ports

• Default port - All the events to be processed by this Action enter through this port.

Output ports

• Default port - Events are sent through this port if no error occurs while processing them.

• Error port - Events are sent through this port if an error occurs while processing them.

Installing Redis

To use this Action, you must install Redis and Redis CLI.

As installing Redis via a Docker is generally preferable, we will brief you on this procedure. To install it locally, check this article.

1

Start your local Redis Docker instance:

Using docker file

FROM redis:latest

EXPOSE 6379

CMD ["redis-server"]

## build

docker build -t my-redis-image

## run

docker run -d --name my-redis my-redis-image

Using one line command

2

Now, connect to the Redis container:

docker exec -it {{ContainerID}} sh

> redis-cli

3

Use this command to get the IP:

# Read Value

127.0.0.1:6379> GET key

# Set Value

SET key value

4

Paste this IP in the Redis endpoint field of your Redis Action.

For more help and in-depth detail, see these use cases.

Configuration

1

Find Redis in the Actions tab (under the Advanced group) and drag it onto the canvas. Link it to the required Listener and Data sink.

2

To open the configuration, click the Action in the canvas and select Configuration.

3

Enter the required parameters:

Connection Settings

Parameter	Description
Endpoint*	Enter the endpoint used to establish the connection to the Redis server.

Network Timeout

Parameter	Description
Read Timeout	Enter the maximum amount of milliseconds to wait to receive data after the connection has been established and the request has been sent.
Write Timeout	Enter the maximum amount of milliseconds to wait while trying to send data to the server.

Command

Parameter

Description

Commands

The command to read or write data from the Redis server. SET Redis Key - Choose the input field that contains it the model version. Value - Choose the field that contains the events you want to input to Redis. Expiration in seconds - Optionally, enter how long the key will be available in the Redis server. The minimum value is 0. HSET Redis Key - Choose the input field that contains it the model version. Field/Value pairs - Add as many fields and pipeline values as required. GET Redis Key - Choose the input field that contains it the model version. Output field - Enter a name for the output field that will store the output data. HGET Redis Key - Choose the input field that contains it the model version. Redis field - Select the field from the Listener or Action that serves as the HGET field. Output field - Enter a name for the output field that will store the output data.

4

Click Save to complete.