Hi @Sean_B - Thank you so much for the details. Is your data set are SPICE? if yes, you can estimate the size of the data sets. see the blog below - Building a Python App for QuickSight SPICE Capacity - #3 by Ben_Berliner
But for direct query and what is the amount of data users are downloading, those metrics are not present at present ( I believe). It can be a feature request. Tagging some experts for their feedback.
@eperts @Ben_Berliner @Koushik_Muthanna - Any advise on this.
Regards - Sanjeeb