gh-ost

A triggerless online schema migration tool for MySQL that enables database table modifications without downtime using binary log stream processing instead of triggers.

Available Pages

gh-ost: GitHub's MySQL Schema Migration Tool Overview

Learn about gh-ost, GitHub's MySQL schema migration tool that avoids triggers, unlike pt-osc. Discover why it was built, how it works, and common pitfalls.

Related Technologies

Competition

pt online schema change

Direct competitors

vitess

Can replace or substitute

mysql native ddl

Can replace or substitute

Integration

Integrates With

vitess

Official integration support

Integrates With

bytebase

Official integration support

Compatible With

planetscale

Works well together

Dependencies

mysql

Requires for operation

go

Foundation technology

Development

spirit

Builds upon this tool

Business

github

Owned by company

Similar

skeema

Similar functionality

liquibase

Similar functionality

flyway

Similar functionality