I made the foolish decision a while back to choose a data storage option based on benchmarks and hype, and I'm currently paying for it by having achieved specta

I made the foolish decision a while back to choose a data storage option based on benchmarks and hype, and I'm currently paying for it by having achieved spectacular launch failure and now completely rearchitecting my backend. Can I ask what you used - and how it hurt you? Just so I can avoid making the same mistakes ...