anchor.diff:  
   [source, python]
   ----
  -'OPTIONS': {
  -    'PICKLE_VERSION': -1  # Use the latest protocol version
  +"OPTIONS": {
  +    "PICKLE_VERSION": -1  # Use the latest protocol version
   }
   ----
   
  
positive.code: ----
  # Omitting all backend declaration boilerplate code.
  
  'OPTIONS': {
      'CONNECTION_POOL_CLASS': 'myproj.mypool.MyOwnPool',
  }
  ----
  
  Customize connection factory
  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  
  If none of the previous methods satisfies you, you can get in the middle of the *django-redis* connection
  factory process and customize or completely rewrite it.
  
  By default, *django-redis* creates connections through the `redis_cache.pool.ConnectionFactory` class that is specified
  in the global Django setting `DJANGO_REDIS_CONNECTION_FACTORY`.
  
  .Partial interface of `ConnectionFactory` class
  [source, python]
  
negative.code: [source, python]
  ----
  CACHES = {
      "default": {
          "BACKEND": "django_redis.cache.RedisCache",
          ...
          "OPTIONS": {
              "CONNECTION_POOL_KWARGS": {"max_connections": 100}
          }
      }
  }
  