From MemSQL to HorizonDB, an engineer's journey with Adam...

What this episode covers

What does it take to make Postgres and Azure fit together cleanly, like puzzle pieces? In Episode 39 of Talking Postgres, Adam Prout—distinguished engineer at Microsoft and a founding architect of Azure HorizonDB—joins Claire to trace his engineering journey from MemSQL to Postgres. We dig into shared-storage architecture and how HorizonDB pushes more work into the storage layer; why the team chose Rust; and what “good systems programming” looks like when being paranoid is a feature, not a bug. Along the way: startup vs big company tradeoffs, and how working on databases exposes you to so many interesting parts of computer science. Previously on Talking Postgres:Talking Postgres Ep29: How I got started leading database teams with Shireesh ThotaLinks mentioned in this episode:Blog post: Announcing Azure HorizonDB, by Charles Feddersen & Affan DarCMUDB talk: HorizonDB: Co-Designing Postgres and Azure for Cloud-Native OLTP, by Adam ProutResearch paper: Socrates: The New SQL Server in the CloudProduct page: Azure HorizonDBVideo of POSETTE 2025 talk: Scaling Postgres to the next level at OpenAIBlog post: Scaling PostgreSQL to power 800 million ChatGPT users, by Bohan ZhangBlog post: Supporting ChatGPT on PostgreSQL in Azure, by Affan Dar, Adam Prout, & Panagiotis Antonopoulos Docs: Azure Database for PostgreSQLGitHub repo: pgrxDiscord: PostgreSQL Hacking serverConference: PGConf.dev 2026Conference Schedule: PGConf.dev 2026 Schedule

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Frequently Asked Questions

How long is this episode of Talking Postgres with Claire Giordano?

This episode is 1 hour and 29 minutes long.

When was this Talking Postgres with Claire Giordano episode published?

This episode was published on May 8, 2026.

What is this episode about?

What does it take to make Postgres and Azure fit together cleanly, like puzzle pieces? In Episode 39 of Talking Postgres, Adam Prout—distinguished engineer at Microsoft and a founding architect of Azure HorizonDB—joins Claire to trace his...

Is there a transcript available for this episode?

Yes, a full transcript is available for this episode. You can read the complete transcript on the episode page.

Can I download this Talking Postgres with Claire Giordano episode?

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