SPGetResourceDemand SPGetResourceDemand returns resource demand information for resources allocated to the investment specified in InvestmentId and its descendents, for allocations whose start dates or end dates fall inside the range specified by StartDate and EndDate. SPGetResourceDemand parameters
It could take a considerable amount of time for the re-index to complete and performance will be very slow until it finishes. You could turn off the indexing until a time better suited to wait for this process. For additional information on upgrades and the re- index , see KB S140944 or this blog entry .
... The documentation in the ERO Getting Started Guide provides no additional information on when the RS command is required or what it actually does either Issue reported on ZMF 8.2 Patch 2 but same processing exists in subsequent releases.