Node.js · Senior · Question 7 of 75

What does `process.memoryUsage()` report as `rss`?

1Memory reserved for future Buffers
✓Correct answer: Resident set size: all memory of the process held in RAM, including heap, code, stacks and native allocations
3Only the JavaScript heap that is in use

Explanation

Compare heapUsed with rss. If rss grows while the heap stays flat, look at Buffers (arrayBuffers, external) or native modules.

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