Ideas to maintain thresholds across thousands of devices and even more instances.

Hi Joe, 

Setting a threshold at a group folder level would really be ideal.  It eliminates the effect on other devices since you aren't setting it at the datasource, and gives you more control to set different thresholds for different customers if you need to adjust it down the line. 

It also makes it easier to manage the thresholds at group levels, than having to reach out and touch each device individually.  However, if the threshold is going to be set at the same value across all customers, then an additional dynamic group that covers all devices would be ideal.  You would end up with a single place/group to manage thresholds changes.  

LM users will often build out a separate group structure that is specifically to manage something like credentials or thresholds, so future management/manipulation is limited to that one tree, and therefore is less likely to conflict with another property value set somewhere else in the resource hierarchy.  
For your situation, you may have a top level group that is “Thresholds” and dynamic groups underneath for different device types, like “Switches” or “Firewalls” and all threshold manipulation is done there, but all the other groups are still used for things like RBAC, dashboard organization, etc.  

Do you think a strategy like this would work for you and your team?
If not, can you explain a little more about what kinds of thresholds you have deeper in your folder structure?