Configure Redis in Magento 2

Configure Redis in Magento 2

Redis is a popular key-value storage database, cache, and message broker. It helps keep stable performance for high-traffic Magento stores.

To configure Redis in Magento 2, you can try any one of the below two methods:

Method 1 – Setup Redis from Configuration:

To enable the Redis in Magento 2 run the setup:config:set command. You can specify the parameters of Redis default caching.

php bin/magento setup:config:set --cache-backend=redis --cache-backend-redis-server= --cache-backend-redis-db=0

The –cache-backend=redis command enables the Redis default caching. You can skip this parameter if it is already enabled.

--cache-redis-<parameter_name>=<parameter_value> is the parameter/value pairs that set up page caching. The list includes:

  • cache-backend-redis-server: In this parameter, we set the server name which indicates a fully qualified hostname.
  • cache-backend-redis-port: In this parameter, we set the port name. It is a Redis server listening to port 6379 (server, port 6379)
  • cache-backend-redis-db: In this parameter, we set the database id for which Magento 2 is using as default. It is required if you use Redis for both full-page and default caching. You can assign the default caching db number to 0 and the page caching db number to 1. Assign the session cache storage db number to 2.
  • cache-backend-redis-password: In this parameter, we set the password which enables its security feature: the auth command.

Method 2 – Adding directly in code:

  1. Install Redis on your server. You can follow the instructions in the Redis documentation to install it. You can find installation instructions for various operating systems at the following link:
  2. Edit the `env.php` file in the `app/etc` directory of your Magento 2 installation.
  3. In the `env.php` file, find the `cache` section and update it with the following information:
'cache' => [
    'frontend' => [
        'default' => [
            'backend' => 'Cm_Cache_Backend_Redis',
            'backend_options' => [
                'server' => '', // or your Redis server IP address
                'database' => '0', // Redis database number
                'port' => '6379' // Redis server port
        'page_cache' => [
            'backend' => 'Cm_Cache_Backend_Redis',
            'backend_options' => [
                'server' => '', // or your Redis server IP address
                'port' => '6379', // Redis server port
                'database' => '1', // Redis database number
                'compress_data' => '0'

Save the env.php file and exit.

Flush the cache by running the following command:

php bin/magento cache:flush

This will configure Redis as the cache backend for Magento 2. You may also want to consider using Redis for session storage and full-page caching further to improve the performance of your Magento 2 store. This is all about the usage of Redis for Magento 2.

I hope this helps! If you have any further questions, please don’t hesitate to reach out.

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