SQLite emerges as a compelling alternative to traditional distributed databases for edge computing control planes. Despite conventional wisdom favoring complex distributed systems, SQLite offers superior reliability, performance (180k reads/second on modest hardware), and operational simplicity. Combined with tools like Litestream for backup and recovery, SQLite handles the unique challenges of edge deployments including network instability, geographic distribution, and limited infrastructure resources. Real-world implementation at Fermyon demonstrates effective handling of data center outages with minimal impact.
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