+5We are preparing to scale from about 1500 iOS devices to 10,000+. We are currently running the JSS in a virtual Ubuntu environment with our SQL server separated out on its own VM. We plan on standing up two more JSS boxes and placing a hardware based load balancer in front of them. I have heard varying advice regarding sticking with Ubuntu in a virtual environment or moving to several Mac Minis running OS X Server. I am wondering if anyone has any advice.
Thanks
Best answer by cbrewer
I'd stick with VM's running on enterprise grade server hardware. I think moving to a Mac Mini would be a downgrade in just about every aspect. You also might evaluate how many JSS's you really need. With an appropriate amount of resources 1 JSS and 1 MySQL server should handle your 10,000 devices. Then possibly add a second JSS in your DMZ setup for limited access.
I'd stick with VM's running on enterprise grade server hardware. I think moving to a Mac Mini would be a downgrade in just about every aspect. You also might evaluate how many JSS's you really need. With an appropriate amount of resources 1 JSS and 1 MySQL server should handle your 10,000 devices. Then possibly add a second JSS in your DMZ setup for limited access.
+15I second Chad's comments. I would absolutely NOT use Mac Minis. Get yourself some enterprise VMs or enterprise hardware running linux.
+20As of Jamf Server 9.99.0—notwithstanding any announcements about 10.0—there is no support for database clusters or high-availability database configurations.
Therefore, my advice would be to put the database on a dedicated server (real or VM) with a lot of cores and as much RAM as you can get. For 10,000 devices, you'll want 8 cores and at least 16GB of RAM, plus a very fast disk for the database. 250GB should be adequate for a long time. The inventory and smart group calculations for iOS devices will be smaller and a lot less complex than a computer.
+20One other thing... if you set up a Tomcat cluster, you also need to set up Memcached as per instructions from Jamf.
Memcached can run on the web app servers alongside Tomcat; however, it should never be installed on the database server.
as much RAM as you can get
Don't take that too literally. You really just want more RAM than the size of your database (plus some overhead for the OS). If you have a 10 to 15GB database, 24GB RAM is probably plenty. If you have a 20GB database, you might want 32GB RAM.
+12Do not use macOS as a large scale Casper deployment server. There are some serious scaling issues and bugs to overcome.
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