Dev.to
7/10/2026

The original title is: "pgrust: The Open-Source Project Rewriting PostgreSQL in Rust"
Original: pgrust: The Open-Source Project Rewriting PostgreSQL in Rust
Short summary
pgrust is an experimental open-source project rewriting the entire PostgreSQL database engine in Rust, now passing 100% of the PostgreSQL 18.3 regression test suite (46,000+ queries). It is disk-compatible with existing Postgres databases and switches to a thread-per-connection model, with early benchmarks showing 50% faster transactional and up to 300x faster analytical workloads. The team used automated AI coding agents to translate legacy C modules into Rust, shipping 250,000+ lines of safe Rust code rapidly.
- •pgrust rewrites PostgreSQL in Rust, passing 100% of PG 18.3 regression tests
- •Thread-per-connection model yields 50% faster OLTP and up to 300x faster OLAP benchmarks
- •AI coding agents helped a small team produce 250K+ lines of Rust code
Generated with AI, which can make mistakes.
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