Dive into an in-depth podcast episode exploring advanced application performance monitoring and optimization techniques. Learn about powerful tools for enhancing software reliability, including instrumentation methods, privacy considerations, and code de-obfuscation using source maps. Explore dev-time monitoring, trace propagation in database transactions, and innovative solutions for common software pitfalls. Gain insights into performance metrics like Apdex scores and Core Web Vitals, with a focus on mitigating Cumulative Layout Shift (CLS) and addressing font-related issues. Discover architectural insights, data storage strategies, and scaling challenges in modern monitoring systems. Understand when to apply different monitoring approaches and best practices for maximizing application performance across various software environments.
Overview
Syllabus
- Intro
- Sponsor
- Greetings
- Defining Sentry's Suite of Features
- How does Sentry instrument a wide variety of software?
- Sentry compared to TypeScript
- Sentry and Privacy
- De-obfuscating Code with Source Maps
- Replay.io vs. Session Replay and Sentry
- Sentry Spotlight and Dev-Time Monitoring
- Propagating a Trace inside a Database Transaction
- Sentry Differentiators
- Sentry Report of Most Common Pitfalls in Apps, like Spotify Wrapped but with Sentry
- Children and error/stack proximity with Sentry reporting
- The Apdex as a Performance Metric
- Performance and Core Web Vitals
- Cumulative Layout Shift CLS
- Where does CLS happen in the rendering process and mitigation steps
- Fonts as a source of CLS, FOUT Flash of Unstyled Text, and FOIT Flash of Invisible Text
- Free Open Source Project Idea: Tree Shaking for Font Glyphs
- Replacing fonts when loaded to prevent CLS, FOIT, and FOUT
- How Sentry helps with Core Web Vitals
- Sentry Internals: Architecture, Data Stores, Rust
- Scale Problems that Sentry went through
- Does Sentry use Sentry? Sentry on Sentry
- When to Avoid Sentry
- Sentry Salient Repeating Best Practices
- Conclusion
Taught by
Tejas Kumar
