example.services.yml

# This file contains example services overrides.
#
# Enable with this line in settings.php
#   $settings['container_yamls'][] = 'modules/redis/example.services.yml';
#
# Or copy & paste the desired services into sites/default/services.yml.
#
# Note that the redis module must be enabled for this to work.

services:
  # Cache tag checksum backend. Used by redis and most other cache backend
  # to deal with cache tag invalidations.
  cache_tags.invalidator.checksum:
   class: Drupal\redis\Cache\RedisCacheTagsChecksum
   arguments: ['@redis.factory']
   tags:
     - { name: cache_tags_invalidator }

  # Replaces the default lock backend with a redis implementation.
  lock:
    class: Drupal\Core\Lock\LockBackendInterface
    factory: ['@redis.lock.factory', get]

  # Replaces the default persistent lock backend with a redis implementation.
  lock.persistent:
    class: Drupal\Core\Lock\LockBackendInterface
    factory: ['@redis.lock.factory', get]
    arguments: [true]

  # Replaces the default flood backend with a redis implementation.
  flood:
    class: Drupal\Core\Flood\FloodInterface
    factory: ['@redis.flood.factory', get]