Amazon Cloud Directory
Multi-dimensional hierarchical directory
A directory-based data store that lets you organize objects in multiple hierarchies at once with an extensible schema, e.g., org charts or device catalogs. Rarely used and not a common choice for new projects.
- Cost$ Low
- Difficulty●●●●●
- Costs money when idle?A little
- Serverless
Think of it asLike a contact book you can browse by department, location, and project at the same time.
When to use it
✓ Use it when
Data has multiple parallel hierarchical relationships that need tree-based queries.
✗ Avoid it when
Managing Windows users → Directory Service; complex graph data → Neptune; key-value → DynamoDB.
Common uses
- Multi-dimensional org charts
- Device catalog by location and owner
What does it cost?
- Pricing model: Charged per GB stored and by the number of read/write requests.