Agentic data science with the Data Agent Kit
cloud.google.com·7h ago
Security
Cloudflare Blog·3d ago·5 min read
Introducing on-demand CPU and memory profiling with flamegraphs for Workers and Durable Objects
TL;DR
Cloudflare has introduced on-demand CPU and memory profiling for Workers and Durable Objects, allowing developers to analyze resource usage in real-time. This feature enhances performance optimization by providing detailed insights into function-level resource consumption.
✦ Why It Matters
Start profiling your Workers today to identify and fix performance bottlenecks in real-time.
Key Takeaways
- Use the CLI or Dashboard to request CPU and memory profiles.
- Analyze flamegraphs to identify resource-heavy functions.
- Enable source maps in TypeScript for clearer profiling results.
- Capture multiple profiles to find optimization opportunities.
How It Works
The profiling process involves acquiring a lock on the Worker isolate, starting a V8 CPU profiler, and then releasing the lock to allow normal execution. This enables real-time profiling without interrupting the Worker’s operations.