Database / LanceDB Interview questions
What is the difference between LanceDB OSS and LanceDB Cloud?
LanceDB OSS (open-source software) is the free, self-hosted embedded library anyone can run locally or point at their own object storage, while LanceDB Cloud is a managed offering that handles infrastructure, scaling, and concurrent multi-process access on the customer's behalf.
| LanceDB OSS | LanceDB Cloud |
| Free, self-hosted, embedded in your own process. | Managed service; connect via a db:// URI and API key. |
| You manage scaling, concurrency, and infrastructure. | LanceDB manages scaling and concurrent access. |
| Full control over data location and storage backend. | Data hosted in LanceDB's managed cloud environment. |
| Best for prototyping, single-process, or self-managed production. | Best for production scale without operating infrastructure yourself. |
Both tiers are built on the same underlying Lance format and share largely the same table/query API, so an application often needs to change little more than its connection configuration to move between running OSS locally and connecting to Cloud, rather than rewriting query logic to match a different system entirely.
Who manages scaling and infrastructure in LanceDB Cloud?
What do OSS and Cloud share that keeps migration between them simple?
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