Tag: migration
All the articles with the tag "migration".
-
Zero-Downtime Multi-TB Migrations: Cutover, Validation and Rollback (Part 2)
Planning the second half of a zero-downtime multi-terabyte migration and version upgrade: how to prove the data matches, rehearse, run the cutover for each wave, and keep a real rollback path.
-
Zero-Downtime Multi-TB Migrations: Strategy and Grouping (Part 1)
How to plan a zero-downtime migration and major version upgrade of a multi-terabyte database. Why physical replication does not fit, why logical replication does, and how to split databases and tables into groups you can migrate one at a time.