Docs: Add docs for Redis cluster caching backend configuration (#39687) (#39800)

* caching: add docs for redis cluster config

* address PR comments

Co-authored-by: Ursula Kallio <73951760+osg-grafana@users.noreply.github.com>

Co-authored-by: Ursula Kallio <73951760+osg-grafana@users.noreply.github.com>
(cherry picked from commit 9f1de095b7)

Co-authored-by: Todd Treece <360020+toddtreece@users.noreply.github.com>
This commit is contained in:
Grot (@grafanabot)
2021-09-29 17:56:19 +02:00
committed by GitHub
co-authored by Todd Treece
parent bd12923c59
commit 4fe38b169c
@@ -401,6 +401,12 @@ The full Redis URL of your Redis server. Example: `redis://localhost:6739/0`.
The default is `"redis://localhost:6379"`.
### cluster
A comma-separated list of Redis cluster members in `host:port` format. For example, `localhost:7000, localhost: 7001, localhost:7002`.
> **Note:** If you have specify `cluster`, the value for `url` is ignored.
### prefix
A string that prefixes all Redis keys. This value must be set if using a shared database in Redis. If `prefix` is empty, then one will not be used.