[midPoint] MidPoint performance & scalability on hundreds of sites

[Tim.Strong at sita.aero]

Hi folks,
Can anyone provide insight and/or real life experience on how midPoint 
behaves & scales for literally hundreds of AD sites.

We have hundreds of small AD sites scattered in all sorts of places, and 
as I am running through my PoC to bring some test reources onto midPoint, 
I've noticed a performance hit on midPoint when it talks to a "slower 
site" to retrieve shadow account information.  It could be slower because 
of bandwidth or slower because of the server hardware.

While I was pulling the architecture together, I got into my head that 
reaching out to resources/shadow accounts would be minimal since it is 
stored in the repository.  I gather this is not the case (unless the wiki 
is not up to date on caching, virtual approach & meta approach).

Am I correct in my thinking that my performance will continue to degrade 
the more resource accounts I link to a user?  (By performance, I mean 
anytime a user is clicked in UI to list their info & resource accounts.) 
Is there anyway to overcome this?

Tim
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