acrolink
For an AI driven chatbot over channels I want to store some transient data. There will be 10’s of thousands of concurrent users. Will be hosted on AWS using either EB, ECR or EKS, i.e. using multiple machines/pods. What will be the best method to store transient data for chat sessions? Store them simply in socket.assigns or using ElasticCache (Redis, Memcached, Valkey)?
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christhekeele
ETS (Erlang Term Storage) is the go-to batteries-included for transient storage on the BEAM VM. I always recommend using it for any out-of-process transient storage until incompatible requirements reveal themselves and push you towards a more apt solution.
acrolink
I want the data to be accessible to all machines. Read that Mnesia can do that in conjunction with a strategy to let all the nodes be aware of each other.
dimitarvp
I really have to ask… what’s wrong with a regular database?
acrolink
I prefer in memory DB for that sort of data. I will give AWS ElasticCache a try (Valkey).
dimitarvp
I see. Well, if you want to make full use of AWS and are not worried about vendor lock-in then ElasticCache seems like a very good option indeed.