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AI Engineering
Hacker News·19d ago·5 min read
Let's Build PlanetScale from Scratch: Infrastructure
TL;DR
Homescale is a personal project inspired by the concept of separating storage from compute in database management. By isolating these layers, the project aims to utilize optimal storage technologies for database cloning.
✦ Why It Matters
Engineers can explore the Homescale project to understand practical implementations of storage and compute separation in databases.
Key Takeaways
- Explore Homescale for efficient database cloning and branching.
- Utilize copy-on-write to minimize storage usage in database operations.
- Integrate with Kubernetes for streamlined database orchestration.
- Leverage Ceph for robust and scalable storage solutions.
How It Works
Homescale creates writable database containers from immutable snapshots using a copy-on-write mechanism. When a new container is created, it initially shares data with its parent, only allocating additional storage for changes.
This allows for efficient branching without duplicating the entire database, as the underlying storage remains independent of the database process.