Answer
Use heap snapshots, memory flame graphs, async hooks, and allocation tracking. Identify retained objects, growing listeners, open timers, or closures causing leaks.
Quick Answer
Debug memory leaks with: process.memoryUsage() to track heap growth, heap snapshots (Chrome DevTools for Node via --inspect) to compare before/after snapshots and find what grew, leak detectors like clinic.js (from NearForm), and checking for common culprits — global variables accumulating data, event listeners never removed, unbounded caches.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ