Redis stores all user sessions and the background task queue. The
storage requirements for Redis are minimal, about 1kB per user.
Sidekiq processes the background jobs with a multithreaded process.
This process starts with the entire Rails stack (200MB+) but it can
grow over time due to memory leaks. On a very active server (10.000
active users) the Sidekiq process can use 1GB+ of memory.

On Mon, Jun 23, 2014 at 5:58 PM, Dave Brown <[email protected]> wrote:
> The requirements document makes no mention of Redis.
>
> We'd like to know how large the storage for Redis persistence should be in
> the case of 500 users, 1000 users, 2000 users etc.
>
> Any suggestions?
>
> Many thanks.
>
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