[Cache] How to configure a cache adapter

[sylfabre]

It is very easy to use default cache adapter like Redis or Filesystem.

But there is no explanation on how to set custom options for a given adapter.

For instance, Redis client supports a lot of options:

=> How may I use them?

[sylfabre]

@wouterj hi
Thank you for the doc update. But I still can't find how to configure the Redis cache adapter.
For instance, how to set the retry_interval for the cache.app?

[wouterj]

@Nyholm you mentioned this issue in your PR. Did we forgot to document how to configure options of adapters?

[Nyholm]

Sorry @sylfabre and @wouterj. I missed that.

Have a look at #11364. That should fix this issue.