Discussion on: Node.js Heap Dumps in 2021

[Pelle Wessman]

Or with the new fs.promises, do:

await fs.promises.writeFile(
  `${Date.now()}.heapsnapshot`,
  v8.getHeapSnapshot()
);

[eJay]

there's a convenient api，do:

v8.writeHeapSnapshot(`${Date.now()}.heapsnapshot`)