Zero-Downtime Database Migration Patterns for High-Throughput Relational Systems
By Shivam Kumar•Aug 21, 2026•8 min read
Migrating legacy relational databases with millions of active rows requires strict schema decoupling strategies. By implementing dual-writing application adapters alongside real-time Change Data Capture (CDC) pipelines, distributed teams can seamlessly verify data parity and execute instant DNS cutovers without dropping a single active transaction.
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