Memory Leaks

Learn how variables retained in memory can crash long-running backend processes.

Overview

Learn how variables retained in memory can crash long-running backend processes.

Code Example

const cache = [];\n// Forgetting to clear the cache eventually crashes the app\ncache.push(largeObject);

Web Development Context

In modern web development, understanding Memory Leaks is crucial. Node.js is widely used for building APIs, real-time applications, and microservices. Mastery of this concept allows you to build efficient, scalable, and secure backend systems.

Common Mistakes

• Blocking the event loop with heavy synchronous tasks.
• Exposing secrets in code instead of environment variables.
• Forgetting to handle promise rejections.

Next Steps

To solidify your understanding, review the related references and try out the practice challenges.