Node.js FAQ: Top Questions
49. How do you profile Node.js applications with V8?
Profiling
Node.js applications with V8 involves analyzing CPU and memory usage to identify bottlenecks, using tools like
--prof
or DevTools.
-
Tools:
--prof
,--heap-prof
,node-tick-processor
. - Output: Tick logs, heap snapshots, flame graphs.
- Analysis: Identify hot functions, memory leaks.
- Use Case: Performance optimization.