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Make a dump of the V8 heap and cpu for later inspection.


npm install ndump


node-gyp configure build


Load the add-on in your application:

var ndump = require('ndump');

The module exports both heap and cpu method.

the first called heap(filepath) that writes a file to the args directory.


the second called cpu(filepath,times) that writes a file to the args directory.


Inspecting the snapshot

run this function on http web server,download or save on local disk then.

Open Google Chrome and press F12 to open the developer toolbar.

Go to the Profiles tab, right-click in the tab pane and select Load profile....

Select the dump file and click Open. You can now inspect the heap snapshot at your leisure.