Conference: March 5-7, 2018

Workshops: March 8-9, 2018

Speaker:
Emily Nakashima
Engineer @Honeycomb & Co-Organizer of the AndConf Code Retreat / Unconference

Emily manages the frontend/web/product engineering team at Honeycomb.io. In the past, she's worked on javascript, web perf and monitoring at companies like Bugsnag & GitHub. In her free time she organizes an unconference called AndConf, makes many checklists, and likes to talk about disaster preparedness.

Talk : Observable JS Apps

Track : JavaScript and Beyond: The Future of the Frontend
Location : Windsor, 5th flr.
Day of week : Tuesday
Duration : 4:10pm - 5:00pm

Observability isn't just for backends. Client-side javascript applications are the original distributed systems software: real-time, heavily cached, single-paged, asynchronous, multi-domain, with polyglot persistence layers and cascading dependencies and always running massive amounts of JS. So what can we borrow from backend observability practices, in order to better understand our users and how they really experience our applications?  How can we get our finger on the pulse of modern JS apps running in production?

Observability means instrumenting your code so that you can ask any question, whether you anticipated it or not, and understand the internal state of your systems just by observing its outputs. Emily will talk about an event-driven approach to client-side observability for the most complicated parts of Honeycomb's customer-facing React app: the query builder. She will cover instrumentation best practices, what data to collect and why (spoiler alert: high cardinality is queen), and how they use that data to slice and dice and zoom in on some of the strangest unknown-unknowns for real customers. Code examples will be primarily in React or vanilla JS, but takeaways will apply to other popular frameworks. Examples will be in Honeycomb, but context is relevant to distributed tracing and other distsys debugging techniques.

Other talks from track JavaScript and Beyond: The Future of the Frontend

Reinventing npmjs.com
Software Engineer @npm
Katie Fenn
WebAssembly (And the Death of JavaScript?)
Technology Director @Scott_Logic
Colin Eberhardt
Parallelizing Product Development with GraphQL
Product Engineer @Honeycomb
Chris Biscardi
Enterprise Node.JS Apps in 2018
JS Architect @PayPal
Jamund Ferguson

Last Year's Tracks

Monday, 5 March

Tuesday, 6 March

Wednesday, 7 March

This Year's Schedule

Learn trends from innovator and early adopter companies that you can bring home to your team

Sign up to be informed when registration for QCon London 2019 (Mar 4-8) opens!

Sign Up