/Migration

Changing Tires At 100mph: A Guide To Zero Downtime Migrations

- Kiran Rao tl;dr: (1) Create the new empty table. (2) Write to both old and new table. (3) Copy data (in chunks) from old to new. (4) Validate consistency. (5) Switch reads to new table. (6) Stop writes to the old table. (7) Cleanup old table. This guide will go through the step-by-step process of migrating tables in PostgreSQL. 

featured in #315

Migrations Done Well

- Gergely Orosz tl;dr: "If you do some groundwork before starting the migration, you’ll reduce risk, gain confidence and understand the scope of the migration better." Gergely breaks the migration process into the following steps: (1) Preparation for migrations. (2) Pre-migration steps, such as monitoring and validation. (3) The migration itself, covering downtime, strategies & toolset. (4) After the migration. (5) The migration long-tail.

featured in #302

How We Migrated Dropbox From Nginx To Envoy

- Alexey Ivanov Oleg Guba tl;dr: "We’ll compare Nginx to Envoy across many software engineering and operational dimensions. We’ll also briefly touch on the migration process, its current state, and some of the problems encountered on the way."

featured in #197

Migrating a Monolith

- Daniel Howard

featured in #74.1

Migrating Cover from Balanced to Stripe

- Chris Rotella

featured in #24.1