How can I debug memory leaks in my Node.js application?
To debug memory leaks in Node.js, you can use tools like Chrome DevTools, Node.js built-in profiler, or third-party libraries like heapdump.
What are some common causes of memory leaks in Node.js?
Common causes include global variables, closures, event listeners that aren't removed, and unbounded data structures.
Can you explain how to use the Chrome DevTools for this?
Sure! You can run your Node.js app with the --inspect
flag, then open Chrome, go to chrome://inspect
, and connect to your app.
What should I look for in the memory snapshot?
Look for detached DOM trees, large arrays, or objects that are not being garbage collected. Check the 'Heap Snapshot' for retained objects.
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