Dev.to
7/11/2026

The original headline is: "moteDB 0.5.1 Is Out: What 18 Months of Building an Embedded Database for Robots Taught Me"
Original: moteDB 0.5.1 Is Out: What 18 Months of Building an Embedded Database for Robots Taught Me
Short summary
moteDB 0.5.1 is a Rust-based embedded database for robots that combines vectors, time-series, scalar, and text in one file. Key upgrades include a streaming write pipeline with epoch-bounded reads, incremental DiskANN for online vector index updates, atomic cross-modal transactions, and a new Episode Memory API. The author shares 18 months of architectural lessons from real warehouse robot workloads.
- •Streaming write pipeline with epoch-bounded reads prevents mid-drain visibility gaps
- •Incremental DiskANN enables online vector index updates without offline rebuilds
- •Atomic cross-modal transactions ensure vector, scalar, and time-series data commit together or roll back together
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