I am using D_Interaction data page to retrieve data for several places such as activities, when rules, flows. I think each and every time we refer the data page it getting reloaded which means data source logic executes. It might me activity call, report definitions etc. Let's say we have refer the data page for 5 property set steps in one activity. Then it will reload 5 times. This will reduce the performance. If it is correct my explanation, How we can avoid this situation?

And how data page validate the data is fresh or not?

Thanks in advance.