Draft 1 min read
Last updated on Jan 24, 2026
Draft: Data Migration Strategies and Zero-Downtime Cuts
Patterns for moving data without disrupting production systems.
TLDR
- Dual writes and backfills reduce downtime risk
- Cutovers require observability and rollback plans
- Schema compatibility is the biggest hidden risk
Outline
- Migration goals and risk assessment
- Backfill and dual-write strategies
- Schema evolution and compatibility
- Validation and reconciliation
- Cutover plans and rollback
- Post-migration cleanup