Citus is a PostgreSQL extension that transforms Postgres into a distributed database—so you can achieve high performance at any scale.
With Citus, you extend your PostgreSQL database with:
- Distributed tables are sharded across a cluster of PostgreSQL nodes to combine their CPU, memory, storage and I/O capacity.
- References tables are replicated to all nodes for joins and foreign keys from distributed tables and maximum read performance.
- Distributed query engine routes and parallelizes SELECT, DML, and other operations on distributed tables across the cluster.
- Columnar storage compresses data, speeds up scans, and supports fast projections, both on regular and distributed tables.
- Query from any node enables you to utilize the full capacity of your cluster for distributed queries
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