GitHub's Online Schema-migration Tool for MySQL

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README.md

gh-ost: GitHub's online schema migration for MySQL

gh-ost allows for online schema migrations in MySQL

What's in a name?

Originally this was named gh-osc: GitHub Online Schema Change, in the likes of Facebook online schema change and pt-online-schema-change.

But then a rare genetic mutation happened, and the s transformed into t. And that sent us down the path of trying to figure out a new acronym. Right now, gh-ost (pronounce: Ghost), stands for:

GitHub Online Schema Translator/Transformer/Transfigurator

Authors

gh-ost was designed, authored, reviewed and tested by the database infrastructure team at GitHub:

@jonahberquist
@ggunson
@tomkrouper
@shlomi-noach