MVCC

Nik and Michael are joined by Radim Marek to discuss MVCC, including his recent article on how Postgres chose to implement it compared to other systems.

Here are some links to things they mentioned:

Radim Marek https://postgres.fm/people/radim-marek
BoringSQL https://boringsql.com
PostgreSQL's MVCC is bad. So is everyone else's (blog post by Radim) https://boringsql.com/posts/mvcc-bad-bad/
PostgreSQL MVCC documentation https://www.postgresql.org/docs/current/mvcc-intro.html
PostgreSQL Storage Internals series by Radim https://boringsql.com/guides/postgresql-storage-internals/
PgQue https://github.com/NikolayS/pgque
The next ten years of Postgres (talk slides by Álvaro Herrera) https://www.postgresql.eu/events/pgconfde2026/sessions/session/7744/slides/866/edb-keynote-pgconfde-2026.pdf
Episode on RegreSQL https://postgres.fm/episodes/regresql
DryRun MCP https://github.com/boringsql/dryrun

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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 produced by:

Michael Christofides, founder of pgMustard
Nikolay Samokhvalov, founder of Postgres.ai

With credit to:

Jessie Draws for the elephant artwork

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