Last fall, we migrated our 4TB Postgres database from version 9.6 to version 13 with minimal downtime. Here is how we did it (gotchas included).

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Retool’s cloud-hosted product is backed by a single beefy 4 TB Postgres database. Last fall, we migrated this database from Postgres version 9.6 to version 13 with minimal downtime. In this post, we’ll tell the story and share tips to help you with a similar upgrade.

How we upgraded our 4 TB main application Postgres database

<p>What a heroic story! 🤯
I will definitely need to follow this guide in the near future</p>
