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Safely Migrate Databases at Millions of Requests per Second (Video)

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AWS re:Invent 2023 conference talk featuring Netflix engineers discussing production database migration strategies.

Video

Watch on YouTube: AWS re:Invent 2023 - Safely migrate databases that serve millions of requests per second (NFX307)

Presented by: AWS Events (Netflix Engineering Team)

Overview

This talk from AWS re:Invent 2023 covers Netflix's approach to safely migrating databases that handle millions of requests per second in production environments. The presentation provides real-world insights into the patterns and practices Netflix uses to achieve zero-downtime migrations at massive scale.

Key Topics Covered

The video discusses production-proven strategies for:

  • Zero-downtime migrations: Techniques for migrating databases while maintaining service availability
  • Dual-write patterns: Writing to both old and new datastores simultaneously during migration
  • Shadow traffic validation: Testing new systems with production load before cutover
  • Risk mitigation: Strategies for reducing blast radius and enabling quick rollbacks
  • Scale challenges: Handling millions of requests per second during migration
  • Operational practices: Monitoring, validation, and phased cutover approaches

Relevance to Prism

This video directly informs several Prism design decisions:


Source: AWS re:Invent 2023 - NFX307