Distributed DuckDB Instance

https://github.com/citguru/openduck

Article

  • OpenDuck attempts to replicate MotherDuck’s differential storage and hybrid query execution
  • Implements query federation with a gateway node distributing queries across DuckDB instances
  • Early-stage / proof-of-concept; author acknowledges it’s not production-ready

Discussion

  • Author confirmed goal is replicating MotherDuck’s approach using open techniques
  • One commenter built a similar system with OpenRaft for full Raft consensus replication instead
  • Code reviewed as likely AI-generated one-shot output; interesting case study but not production
  • Apache DataFusion + datafusion-federation suggested as a more mature alternative

Discuss on HN


Type Link
Added Apr 15, 2026
Modified Apr 15, 2026