Zero-downtime migrations
Postgres FM · Nikolay Samokhvalov and Michael Christofides
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Show Notes
Nikolay and Michael discuss zero-downtime schema migrations — why they're a challenge, a variety of different cases, and some things you can do to achieve them.
Here are links to a few things we mentioned:
- Comparison of JOINS: MongoDB vs. PostgreSQL (blog post by Michael Stonebraker and Álvaro Hernández)
- Common DB schema change mistakes (blog post by Nikolay)
- lock_timeout and retries (blog post by Nikolay)
- lock_timeout
- Fast Column Creation with Defaults (blog post by Brandur)
- Database Schema Changes Without Downtime (new version of blog post by Braintree)
- Zero-downtime Postgres migrations - the hard parts (blog post from GoCardless)
- GitLab migration_helpers.rb
- GitLab migration style guide
- dblab
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What did you like or not like? What should we discuss next time? Let us know via a YouTube comment, on social media, or by commenting on our Google doc!
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Postgres FM is brought to you by:
- Nikolay Samokhvalov, founder of Postgres.ai
- Michael Christofides, founder of pgMustard
With special thanks to:
- Jessie Draws for the amazing artwork