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What is the main purpose of taking a heap snapshot in Node.js?

easy📝 Conceptual Q11 of 15
Node.js - Debugging and Profiling
What is the main purpose of taking a heap snapshot in Node.js?
ATo monitor network requests
BTo speed up the execution of code
CTo compile the Node.js application
DTo see what objects are currently in memory
Step-by-Step Solution
Solution:

  1. Step 1: Understand heap snapshot concept

    A heap snapshot captures the objects currently stored in memory at a specific time.

  2. Step 2: Identify the purpose of heap snapshots

    They help detect memory leaks by showing which objects remain in memory longer than expected.

  3. Final Answer:

    To see what objects are currently in memory -> Option D

  4. Quick Check:

    Heap snapshot = current memory objects [OK]
Quick Trick: Heap snapshots show memory objects at a moment [OK]
Common Mistakes:
  • Thinking heap snapshots speed up code
  • Confusing heap snapshots with network monitoring
  • Assuming heap snapshots compile code

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