PPU Refresh error

I got this below error when refreshing in PPU.

The dataset is around 1GB, and all the data source is from dataflow with almost no transformation.

Any other factors impact to 101GB ram consumed?

	Resource Governing: This operation was canceled because there wasn’t enough memory to finish running it. Either increase the memory of the Premium capacity where this dataset is hosted or reduce the memory footprint of your dataset by doing things like limiting the amount of imported data. More details: consumed memory 101316 MB, memory limit 101316 MB, database size before command execution 1083 MB. Learn more, see https://go.microsoft.com/fwlink/?linkid=2159753.