πŸ”— Mastering Redis high-availability and blocking connections

"The biggest assumption is that Redis is either running or not running, which is a reasonable assumption when you have a single instance of Redis. When you have a high availability configuration for Redis, you need to be aware that the Redis you are talking to may, or may not be, the master and if it isn't you can't write to it, but you'll only know that when you write to it. If that sounds a little "Schroedinger's Cat Picture Database", let us explain further."

🌎 https://www.compose.com/articles/mastering-redis-high-availability-and-blocking-connections/