Turso's MVCC engine cuts p99.9 transaction latency to 2.4ms vs SQLite's 1.2s

glcst · x · 2026-10-23

SQLite allows one writer at a time. Turso's MVCC engine with BEGIN CONCURRENT removes that limit, and v0.8 delivers the performance: at 32 connections, p99.9 transaction latency is 2.4ms for Turso versus 1.2s for SQLite — roughly 500x better. The team detailed the architecture in a P99 CONF talk.

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