The Uber team betrays their lack of knowledge about PostgreSQL in the article, so take it with a huge grain of salt. I recommend reading Markus Winand's article

The Uber team betrays their lack of knowledge about PostgreSQL in the article, so take it with a huge grain of salt. I recommend reading Markus Winand's article. https://use-the-index-luke.com/blog/2016-07-29/on-ubers-choice-of-databases https://use-the-index-luke.com/blog/2016-07-29/on-ubers-choi... But that does not mean though that there are not also real issues with table bloat in PostgreSQL, and they are being worked on by creating a new storage engine with a different MVCC implementation.