Production Engineering
Everything on SkillVeris tagged Production Engineering — collected across the glossary, study notes, blog, and cheat sheets.
3 resources across 1 library
Interview Questions(3)
How Do You Design a Zero-Downtime Database Migration?
A zero-downtime database migration succeeds by decomposing a risky single cutover into small, reversible, backward-compatible steps — expand the schema, dual-w…
What Makes a Database Schema Change Backward-Compatible?
A backward-compatible schema change is one that old application code, already deployed and still running, can continue to read and write correctly after the ch…
What Are Online Schema Change Tools and How Do They Work?
Online schema change tools such as gh-ost and pt-online-schema-change let you alter a large production table — add a column, change an index — without holding…