The authors of this article obviously know infinitely more about postgres than I do, but you can trigger writes using reads much easier. If you’re selecting som

The authors of this article obviously know infinitely more about postgres than I do, but you can trigger writes using reads much easier. If you’re selecting something that does not fit into working memory and try to sort it (or use a mechanism that needs sorting), the sort is performed on disk. This almost rendered our SAN nonfunctional a few years back.