Node.js memory leak identification and prevention

Instruction: Discuss methods for identifying and preventing memory leaks in Node.js applications.

Context: This question tests the candidate's ability to diagnose and address memory leaks, requiring knowledge of tools and practices for monitoring memory usage and ensuring efficient resource management.

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Thank you for bringing up such an important aspect of Node.js applications – memory leak identification and prevention. It's crucial for maintaining the performance and reliability of any application. I've had the opportunity to tackle this challenge head-on in my previous roles, especially as a Node.js Developer. Let me outline my approach and the tools I find most effective for this purpose. Firstly, to identify memory leaks in Node.js, I start with monitoring tools such as the built-in Node.js profiler, Google Chrome's DevTools, and third-party tools like PM2, which can help monitor memory usage over time. These tools are instrumental in pointing out unusual increases in memory usage, which is often the first sign of a memory leak...

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