Hydra is a data warehouse using PostgreSQL as its frontend and Citus' c-store extension for columnar storage.
Object-Relational
Vectorized Model
SQL
Disk-oriented
Decomposition Storage Model (Columnar)
Shared-Everything
https://hydra.so/
https://github.com/HydrasDB/hydra
https://docs.hydras.io/
@HydrasDB
Hydra
CA
2022
Commercial, Open Source
C
Citus, PostgreSQL
Hosted, Linux
AGPL v3, Apache v2