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How Microsoft's Tech Made SQLite Writes 4x Faster

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Nov 26, 2025
3:18

SQLite's single-write limitation has been a massive bottleneck for years but Turso just changed everything. Discover how their revolutionary MVCC implementation, inspired by Microsoft SQL Server's Hekaton, eliminates SQLite's write blocking problem by using row versioning in memory to allow multiple writers simultaneously. Learn how this Rust rewrite achieves nearly 200,000 writes per second, making traditional SQLite look like dial-up, and why this breakthrough is about to revolutionize database performance for high-throughput applications. 🔗 Relevant Links MVCC post - https://turso.tech/blog/beyond-the-single-writer-limitation-with-tursos-concurrent-writes Rust rewrite - https://turso.tech/blog/we-will-rewrite-sqlite-and-we-are-going-all-in ❤️ More about us Radically better observability stack: https://betterstack.com/ Written tutorials: https://betterstack.com/community/ Example projects: https://github.com/BetterStackHQ 📱 Socials Twitter: https://twitter.com/betterstackhq Instagram: https://www.instagram.com/betterstackhq/ TikTok: https://www.tiktok.com/@betterstack LinkedIn: https://www.linkedin.com/company/betterstack 📌 Chapters: 00:00 The problem with Writes in SQLite 00:30 SQLite does not allow contributions 01:05 Why Turso re-wrote SQLite in Rust 01:23 SQLite begin concurrent is not enough 01:42 Turso's row version management explained 02:36 Drawbacks to Turso's database

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How Microsoft's Tech Made SQLite Writes 4x Faster | NatokHD