Screaming in the Cloud
Screaming in the Cloud
Corey Quinn
From Aurora to PlanetScale: Intercom’s Database Evolution with Brian Scanlan
43 minutes Posted Sep 18, 2025 at 10:00 am.
Brian Scanlan, Senior Principal Engineer at Intercom, the company building Fin.ai, joins Corey Quinn on Screaming in the Cloud to discuss Intercom’s move from AWS Aurora to PlanetScale’s managed Vitess after years of scaling challenges with their Ruby on Rails monolith. He explains how 13 Aurora clusters created operational pain and why PlanetScale’s white-glove, partnership-driven model won out over Amazon’s building-block approach.The discussion also covers Intercom’s volunteer-based on-call system, their pivot to AI agents after ChatGPT’s launch, concerns about the shrinking pipeline of systems engineers, and how companies like PlanetScale and Snowflake are outpacing AWS by delivering superior user experiences.About Brian: Brian is an engineer based in Intercom’s Dublin office. He fixes problems, builds things, and grows people. Show Highlights
The Digital Clippy Rant
The Good Chatbot vs. Bad Chatbot
The AI Chatbot Revolution
Unexpected Consequences of Good Chatbots
AI Support vs. Human Support
The Alexa Problem and Feature Discoverability
Amazon's Struggles Moving Up the Stack
The Unix Networking Society Origins
The Global On-Call Challenge
The Digital Clippy Rant
The Good Chatbot vs. Bad Chatbot
The AI Chatbot Revolution
Unexpected Consequences of Good Chatbots
AI Support vs. Human Support
The Alexa Problem and Feature Discoverability
Amazon’s Struggles Moving Up the Stack
The Unix Networking Society Origins
The Global On-Call Challenge
LinkedIn: The World’s Largest Porn Site
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Brian Scanlan, Senior Principal Engineer at Intercom, the company building Fin.ai, joins Corey Quinn on Screaming in the Cloud to discuss Intercom’s move from AWS Aurora to PlanetScale’s managed Vitess after years of scaling challenges with their Ruby on Rails monolith. He explains how 13 Aurora clusters created operational pain and why PlanetScale’s white-glove, partnership-driven model won out over Amazon’s building-block approach.The discussion also covers Intercom’s volunteer-based on-call system, their pivot to AI agents after ChatGPT’s launch, concerns about the shrinking pipeline of systems engineers, and how companies like PlanetScale and Snowflake are outpacing AWS by delivering superior user experiences.About Brian: Brian is an engineer based in Intercom’s Dublin office. He fixes problems, builds things, and grows people. Show Highlights(01:34) The Digital Clippy Rant(2:16) The Good Chatbot vs. Bad Chatbot (03:51) The AI Chatbot Revolution (04:33) Unexpected Consequences of Good Chatbots (05:42) AI Support vs. Human Support (05:59) The Alexa Problem and Feature Discoverability (19:03) Amazon's Struggles Moving Up the Stack (26:55) The Unix Networking Society Origins (34:43) The Global On-Call Challenge(42:09) LinkedIn: The World's Largest Porn Site LinksIntercom: intercom.comBrian on LinkedIn: https://www.linkedin.com/in/scanlanb/Brian on Bluesky: https://bsky.app/profile/bscanlan.bsky.socialSponsor Wiz - Listen to Crying Out Cloud: wiz.io/crying-out-cloud