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Doesn’t local redis kind of miss the point of using redis in the first place? On the surface, that’s a big chunk of additional complexity for something that could be done internal to an application. Was this meant to be an incremental step in a larger refactor?

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well, redis manages the replication without fuss. Unless the framework / language one uses supports it out of the box, there is no point in re implementing replication.

https://www.erlang.org/docs/17/reference_manual/distributed

Oh so this would effectively serve the same purpose as a centralized cluster.

Yeah with the added advantage of reduced latency. The system I worked on had a CRUD application which was in Django , ultimately the rules was stored in a Redis.. The ad serving application was in golang that connected to this local redis instances that were replicas of the central redis..

https://redis.io/docs/latest/commands/replicaof/

Exactly the same for the one that I did, except that the ad serving was in Python.

But golang is probably the better choice.

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