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datahike - A Version-Controlled, High-Performance, Distributed Datalog Engine

·2026.04.14 09:31

Key point

A Datomic-compatible Clojure Datalog DB that lets you freely query past states.

Details

A Clojure-based Datalog DB offering a Datomic-compatible API, maintaining immutable snapshots like Git.

Without locks, it allows you to freely query past states, making it strong at point-in-time data retrieval and history tracking.

Key features are as follows.

  • Time-travel queries to view all past states
  • Can be used for full transaction history audits
  • Also advantageous for regulatory compliance such as GDPR compliance
  • Aims for high performance as a distributed Datalog engine
databaseversion-controldistributed-systemsdatalogclojuredatomictime-travel
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