Have you optimized the life cycle of the data in order to keep only the data necessary from a business and regulatory point of view. Aggregate data may suffice. ?

Tests

Is the life cycle described?

Precisions

The analysis of the data life cycle allows you to make the right decisions about the data to be kept at the different stages. And in particular do not hesitate to store aggregated data to avoid aberrant storage of useless data. This also applies to document management.