18 April 2023
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Tuesday, April 18 • 15:50 - 16:15
Serverless WebAssemby: Roundtrip Scaling from 0 to 10k in 10 Seconds - Kate Goldenring & Joel Dice, Fermyon

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Cloud is expensive. This is in part due to applications idly waiting for inbound requests. What if applications could “scale-to-zero”, with instances only running when needed? Today, serverless or FaaS application paradigms aim to scale-to-zero but are limited by the underlying unit of compute. While containers provide isolation for applications in a multi-tenant cloud, they take seconds to start. WebAssembly (Wasm) modules are just as secure as containers with default sandboxing, yet they start almost instantly (in microseconds). Using Wasmtime and Nomad, we built Fermyon Cloud, a hosted platform for running Wasm applications that can truly scale to zero. Before launching Fermyon Cloud, we had to determine how many applications each of our nodes could handle. We built a load tester. The results: when the unit of compute is Wasm, a node can host 1000s of applications. In this session, we will discuss why Wasm is ideal for serverless computing, best practices for load testing, and demo load tests on the Fermyon Cloud. At the end of the session, you will have the knowledge and links to start scaling Wasm in the Cloud, whether on the Fermyon Cloud or on your own infrastructure with the open source Fermyon Platform.

avatar for Kate Goldenring

Kate Goldenring

Senior Software Engineer, Fermyon Technologies, Inc
Kate Goldenring is a senior software engineer at Fermyon and serves as co-chair of the Cloud Native Computing Foundation IoT Edge Working Group. She is an open-source developer who is drawn to building the best of what’s to come, maintaining projects focused on serverless WebAssembly... Read More →
avatar for Joel Dice

Joel Dice

Principal Software Engineer, Fermyon
Joel Dice is a software engineer at Fermyon, currently focused on Spin and the WebAssembly component model and language support. He has a background in distributed systems, compilers, language runtimes, and real-time communications. He's the primary developer of Avian, an embeddable... Read More →

Tuesday April 18, 2023 15:50 - 16:15 CEST
Hall 7, Room C | Ground Floor | Europe Complex
  Cloud Native Wasm Day, Wasm and Serverless