data-migration.adoc

사례

• https://stripe.com/blog/online-migrations

  • 1. Dual writing

  • 2. Changing all read paths

  • 3. Changing all write paths

  • 4. Removing old data

• https://www.theguardian.com/info/2018/nov/30/bye-bye-mongo-hello-postgres

  • MongoDB 에서 PostgreSQL로 전환