[CalendarServer-users] CalandarServer scalability

[Andre LaBranche]

On Nov 22, 2011, at 6:17 AM, Iulia Zidaru wrote:

> Hi,
> 
> We are evaluating CalendarServer and we are mainly interested in it's scalability. Could you give me some information regarding the maximum number of accounts that the server can handle. Is it possible to scale it to millions?

Probably, but as far as I know, Calendar Server 3 has not been tested anywhere close to that.

> Which is the biggest installation using this server?

I've scaled it up into the tens of thousands of users.

> How is the architecture thought to scale on different machines?

Pretty well. Be advised that if you want to go big, you will also almost certainly need to scale the database as well.

I added this new document to our wiki:

https://trac.calendarserver.org/wiki/MultiServerDeployment

Cheers,
-dre