For information on converting to InterSystems IRIS,
see the InterSystems IRIS Adoption Guide
and the InterSystems IRIS In-Place Conversion Guide,
both available on the WRC Distributions page (login required).
Wrapper around the SYS.EnsMetrics::GetMainMetrics() API to ensure that all users with
USE permissions on %Ens_Dashboard can get this information even if they aren't permitted to
directly run code in the CACHESYS database.