Hctree: an experimental high-concurrency database backend for SQLite (via) Really interesting new research branch from the core SQLite team. “Hctree uses optimistic row-level locking and is designed to support dozens of concurrent writers running at full-speed”—with very impressive benchmarks supporting that claim. Also two bonuses: it has a replication mechanism based on the existing SQLite sessions extension, and it bumps up the maximum size of a SQLite database from 16TiB to 1EiB (roughly one million TiB).
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