EnterpriseForbes Innovationabout 2 hours ago
Zero-Downtime Database Refactoring: Three Key Principles
1 min read
Database refactoring risks downtime and data loss. A dual-write pattern shifts traffic incrementally (5%, 25%, 100%) after zero parity errors. Two-phase releases separate additive schema changes from application logic. Automated key-column validation in CI/CD catches structural anomalies before cutover.
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