Regardless of whether Redis is meant to hold ephemeral data in memory, it is well-known to anybody who has had to maintain a Redis instance as part of their deployment that Redis is only effective when used for ephemeral in-memory work.
I understand your defensiveness, but please understand that because of your massive experience with Redis, either you have never lost data with Redis, which means that nobody besides you understands how to run your software in production, or you have lost data with Redis, which means that it's somewhat hypocritical of you to insist that Redis is durable.
I understand your defensiveness, but please understand that because of your massive experience with Redis, either you have never lost data with Redis, which means that nobody besides you understands how to run your software in production, or you have lost data with Redis, which means that it's somewhat hypocritical of you to insist that Redis is durable.