Simon Willison’s Weblog

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16th December 2025

Research litestream-restarts — Experiments in this project evaluate Litestream’s robustness when SQLite writes occur while Litestream is stopped and later restarted, with focus on replication to S3. Both the simple restart and the scenario where the WAL is checkpointed (truncated) while Litestream is offline confirm no data loss: Litestream either streams pending WAL changes upon restart or detects a database change and uploads a new full snapshot (“generation”).

This is a beat by Simon Willison, posted on 16th December 2025.

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