# Performance and maintenance

Where storage, time and write cost actually go, and what grows expensive first. Every claim needs a measurement.

- [Find the true sources of database waste](https://atlasscope.dev/prompts/find-the-true-sources-of-database-waste): The bill is high, CPU or disk usage is high, storage keeps growing, or you suspect bloat.
- [What will become expensive as the database grows?](https://atlasscope.dev/prompts/what-will-become-expensive-as-the-database-grows): Fact or history tables are growing fast, or you need to plan capacity.

Source: https://atlasscope.dev/prompts/performance-and-maintenance