Screaming in the Cloud

When AWS has a major outage, what actually happens behind the scenes? Ben Hartshorne, a principal engineer at Honeycomb, joins Corey Quinn to discuss a recent AWS outage and how they kept customer data safe even when their systems couldn't fully work. Ben explains why building services that expect things to break is the only way to survive these outages. Ben also shares how Honeycomb used its own tools to cut their AWS Lambda costs in half by tracking five different things in a spreadsheet and making small changes to all of them.About Ben Hartshorne: Ben has spent much of his career setting up monitoring systems for startups and now is thrilled to help the industry see a better way. He is always eager to find the right graph to understand a service and will look for every excuse to include a whiteboard in the discussion.Show highlights: (02:41)Two Stories About Cost Optimization(04:20) Cutting Lambda Costs by 50%(08:01) Surviving the AWS Outage(09:20) Preserving Customer Data During the Outage(13:08) Should You Leave AWS After an Outage?(15:09) Multi-Region Costs 10x More(18:10) Vendor Dependencies(22:06) How LaunchDarkly's SDK Handles Outages(24:40) Rate Limiting Yourself(29:00) How Much Instrumentation Is Too Much?(34:28) Where to Find BenLinks: Linkedin: https://www.linkedin.com/in/benhartshorne/GitHub: https://github.com/maplebedSponsored by: duckbillhq.com

Corey Quinn sits down with Avery Pennarun, co-founder and CEO of Tailscale, for a deep dive into how the company is reinventing networking for the modern era. From finally making VPNs behave the way they should to tackling AI security with zero-click authentication, Avery shares candid insights on building infrastructure people actually love using, and love talking about.They get into everything: surviving 100% year-over-year growth, why running on two tailnets at once is pure chaos, and how Tailscale makes “secure by default” feel effortless. Plus, they dig into why FreeBSD firewalls needed some tough love, the uncomfortable truth behind POCs, and even the surprisingly useful trick of turning your Apple TV into an exit node.About Avery: Avery Pennarun is the co-founder and CEO of Tailscale, where he’s redefining secure networking with a simple, Zero Trust approach. A veteran software engineer with experience ranging from startups to Google, he’s known for turning complex systems into approachable, user-friendly tools. His contributions to projects like wvdial, bup, and sshuttle reflect his belief that great technology should be both powerful and easy to use. With a mix of technical depth and dry humor, Avery shares insights on modern networking, internet evolution, and the realities of scaling a startup.Highlights:(0:00) Introduction to Tailscale and Security(00:52) Sponsorship and Personal Experiences(02:07) Technical Deep Dive into Tail Scale(06:10) Challenges and Future of Tail Scale(22:45) Building the Tail Net's API(23:54) Connecting Cloud Providers with Tailscale(25:22) Tailscale as a Security Solution(26:44) Innovations and Future of TailscaleSponsored by: duckbillhq.com

Corey Quinn reconnects with Keith Townsend, founder of The CTO Advisor, for a candid conversation about the massive gap between AI hype and enterprise reality. Keith shares why a biopharma company gave Microsoft Copilot a hard no, and why AI has genuinely 10x’d his personal productivity while Fortune 500 companies treat it like radioactive material. From building apps with Cursor to watching enterprises freeze in fear of being the next AI disaster in the news, Keith and Corey dig into why the tools transforming solo founders and small teams are dead on arrival in the enterprise, and what it'll actually take to bridge that gap.About Keith TownsendKeith Townsend is an enterprise technologist and founder of The Advisor Bench LLC, where he helps major IT vendors refine their go-to-market strategies through practitioner-driven insights from CIOs, CTOs, and enterprise architects. Known as “The CTO Advisor,” Keith blends deep expertise in IT infrastructure, AI, and cloud with a talent for translating complex technology into clear business strategy.With more than 20 years of experience, including roles as a systems engineer, enterprise architect, and PwC consultant, Keith has advised clients such as HPE, Google Cloud, Adobe, Intel, and AWS. His content series, 100 Days of AI and CloudEveryday.dev, provide practical, plainspoken guidance for IT leaders. A frequent speaker at VMware Explore, Interop, and Tech Field Day, Keith is a trusted voice on cloud and infrastructure transformation.Show Highlights(01:25) Life After the Futurum Group Acquisition(03:56) Building Apps You're Not Qualified to Build with Cursor(05:45)Creating an AI-Powered RSS Reader(09:01) Why AI is Great at Language But Not Intelligence(11:39) Are You Looking for Advice or Just Validation?(13:49) Why Startups Can Risk AI Disasters and AWS Can't(17:28) You Can't Outsource Responsibility(19:52) Business Users Are Scared of AI Too(23:00) LinkedIn's AI Writing Tool Misses the Point(26:42) Private AI is Starting to Look Appealing(29:00) Never Going Back to Pre-AI Development(34:27) AI for Jobs You'd Never Hire Someone to Do(39:09) Where to Find Keith and Closing ThoughtsLinksThe CTO Advisor: https://thectoadvisor.comSponsor: https://www.sumologic.com/solutions/dojo-aihttps://wiz.io/crying-out-cloud

André Arko, CEO of Spinel Cooperative and longtime Bundler maintainer, joins Corey Quinn to introduce RV, a new Ruby tool that installs Ruby in one second instead of 10-40 minutes by using precompiled binaries. Inspired by Python's UV, RV aims to simplify Ruby dependency management without the complexity of older tools like RVM and rbenv. They talk about why Ruby isn't actually dead, Apple's problem with shipping a five-year-old end-of-life Ruby in macOS, and the challenges of writing dependency managers in the language they manage. André also shares how he transitioned from a struggling nonprofit model to a cooperative that charges companies for expertise, proving that open source maintainers can build sustainable businesses without relying on donations.Show Highlights:(03:50) Introducing RV(05:12) The RVM vs rbenv Wars and Why They All Break Bundler(09:00) Why Your Mac Still Shows Ruby 3.0.0 in Your Prompt(11:00) The Chef vs Puppet Philosophy Divide(16:30) Installing Ruby in One Second vs 40 Minutes(18:13) Apple’s Ancient System Ruby Problem(22:20) RV’s Incremental Approach (24:23) Is Ruby Dead? (28:44) Why RV Is Written in Rust, Not Ruby(31:10) The Bundler Problem(32:15) The Financial Reality(38:00) Spinel’s Plans to Make Money(39:23) How to Stay In Contact with AndréLinks:André Arko: https://arko.netBlue Sky: https://bsky.app/profile/indirect.ioSpinel Cooperative: https://spinel.coopSponsor: Rubrik: https://www.rubrik.com/sitc

Deana Solis, 2022 FinOps Foundation Evangelist of the Year, joins Corey Quinn to discuss her winding career path from electrical engineering to healthcare IT to FinOps. She shares why certifications are "largely performative," warns that AI can turn your AWS bill into "a telephone number," and explains why NAT Gateway costs hit everyone from hobbyists to enterprises. The episode covers cloud repatriation conspiracy theories, translating between engineering and finance teams, and why good FinOps work is really just getting humans in a room to talk.Show Highlights: (02:36) FinOps Foundation (03:15) FinOps as Marriage Counseling Between Engineering and Finance(06:00) Deana’s Journey From Electrical Engineering to FinOps(12:41) The Performative Nature of Certifications(16:22) AI as Both a Threat and Tool in FinOps(20:41) Why AI Is Flooding the Job Market with Noise(25:09) Why FinOps Is Never Boring Despite Sounding Like It(29:10) The NAT Gateway Problem(33:09) The Generational Divide in Cloud Platform Preferences(37:23) Stay In Contact With Deana SolisAbout Deana Solis: Deana Solis is a senior FinOps engineer with more than 20 years of infrastructure management experience. Recognized as the FinOps Evangelist of the Year by the FinOps Foundation in 2022, she has become a leading voice in driving cloud financial accountability and culture.Beyond her technical expertise, Deana is passionate about humanizing technology. She serves as a FinOps Foundation ambassador and mentor, using her voice to elevate Women in FinOps and underrepresented folks in technology.Her unique journey, from electrical engineering to liberal studies to FinOps, embodies both analytical rigor and emotional intelligence. Deana isn’t just shaping the way organizations think about cloud costs; she’s helping reshape the culture of technology itself.Sponsor: https://www.wiz.io/

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

In this episode of Screaming in the Cloud, Corey Quinn talks with Jonathan Schneider, CEO of Moderne and author on Java microservices and automated code remediation. They explore why upgrading legacy systems is so hard, Schneider’s journey from Netflix to building large-scale code transformation tools like OpenRewrite, and how major companies like Amazon, IBM, and Microsoft use it.They also discuss AI in software development, cutting through the hype to show where it genuinely helps, and the human and technical challenges of modernization. The conversation offers a practical look at how AI and automation can boost productivity without replacing the need for expert oversight.Show Highlights(2:07) Book Writing and the Pain of Documentation(4:03) Why Software Modernization Is So Hard(6:53) Automating Software Modernization at Netflix(8:07) Culture and Modernization: Netflix vs. Google vs. JP Morgan(10:40) Social Engineering Problems in Software Modernization(13:20) The Geometric Explosion of Software Complexity(17:57) The Foundation for LLMs in Software Modernization(21:16) AI Coding Assistants: Confidence, Fallibility, and Collaboration(22:37) The Python 2 to 3 Migration: Lessons for Modernization(27:56) The Human Element: Responsibility, Skepticism, and the Future of WorkLinksCrying Out Cloud Podcast & Newsletter: https://www.wiz.io/crying-out-cloudModern (Jonathan Schneider's company): https://modern.aiLinkedIn (Jonathan Schneider): https://www.linkedin.com/in/jonathanschneider/