> At 10k users and on a tight deadline for a prototype, I would recommend you 
> don't worry about trying to shard users across multiple storage nodes at 
> first.  We successfully fit more users than that per storage node in our 
> production setup.  Just get a nice big server and run server-full as a single 
> stack to start with.

Noted!

> FYI, we have some MySQL-specific logic in the storage server that can improve 
> performance quite a bit.  PostgreSQL will *work* but you may find MySQL a lot 
> more performant in practice.

Hum ok, my problem is we already have database and they are all PostgreSQL :/ 
and we try to avoid many solution for same service (like 2 databases engines)
But it's good to know, I'll discuss it with the team.

> I'll second this: do not try to make the sync storage db redundant.  If it 
> dies, the correct approach is to stand up a new node and let the clients 
> re-upload a fresh copy of their data.

Ok I'll change that. Best to work on a "ready to use" template on vmware to 
setup the service asap :)




Robin Aleman
Apprentice engineer - Software integration
Customer Integration & Support
EQUANT France - Sophia Antipolis
+00 33 4 92 96 64 48
[email protected]


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