[CalendarServer-users] DCS Production Deployment

Andre LaBranche dre at apple.com
Wed Feb 18 15:37:05 PST 2015

> On Feb 18, 2015, at 1:04 PM, Gaurav Jain <monkeyfdude at gmail.com> wrote:
> My question is:
> * Has CalendarSever-5.2.2 been used in PROD deployments?
> * Since I don't have scaling issues, is it ok to use XMLDirectoryService for like 1000 accounts?


Calendar Server can be (and is, in rare instances) deployed in a high-availability (HA) configuration, which can also be used to scale. Check out the following document, which identifies the important parts of a multi-server configuration.

http://trac.calendarserver.org/browser/CalendarServer/trunk/doc/Admin/MultiServerDeployment.rst <http://trac.calendarserver.org/browser/CalendarServer/trunk/doc/Admin/MultiServerDeployment.rst>

Removing all single points of failure would require implementing HA / redundancy for each of the items listed in that document, which is beyond the scope of our documentation, but should be a familiar process for anybody who has ever implemented HA.

XMLDirectoryService is probably the most scalable directory service we support, due to its simplicity. If it meets your needs, I can’t think of a reason to switch away from it.

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