Zero-downtime migrations.

Overview

Zero-downtime migrations.

Example

  mvn flyway:migrate
  

Common Use Cases

  • Schema versioning
  • Team collaboration
  • CI/CD database updates

Pitfalls to Avoid

  • Manual schema changes
  • Non-idempotent migrations
  • JPA ddl-auto
  • Database design

Best Practices

  • Understand when to use migration best practices versus simpler alternatives
  • Write unit tests covering edge cases and failure paths
  • Follow Java conventions and prefer standard library APIs when available
  • Profile before optimizing — measure impact in your specific workload