Utility to debug memory usage of NodeJS processes.
Based on heapdump.
Requiring the module will activate it. It has no functions.
require("heapdumper");
Now, your process will dump a .heapsnapshot file to its current directory
if you send it the USR2 signal.
Example use, where the program myserverthing.js uses heapdumper:
$ node myserverthing.js &
[1] 4955
$ kill -s USR2 4955
USR2 received - creating .heapdump file in /home/helge/proj/heapdumper
$ ls
heapdump-3808509.864648.heapsnapshot
heapdump-3808509.864648.log
myserverthing.js
node_modules
$
The module is available via NPM.
npm install heapdumper
.heapsnapshot filesChrome/Chromium has a profiling tool to visually inspect the heap: Chrome heap profiling
Quick recipe: Open Chrome, open dev tools, go to "profiles tab", right click in the tool area and select "Load profile". Navigate to the generated .heapsnapshot file and open it. Enjoy.
FAQs
Require this module to trigger heap dumps on USR2.
The npm package heapdumper receives a total of 1 weekly downloads. As such, heapdumper popularity was classified as not popular.
We found that heapdumper demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
Did you know?
Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.
Security News
Company News
Socket is joining TC54 to help develop standards for software supply chain security, contributing to the evolution of SBOMs, CycloneDX, and Package URL specifications.
Security News
PyPI now allows maintainers to archive projects, improving security and helping users make informed decisions about their dependencies.
Research
Security News
Malicious npm package postcss-optimizer delivers BeaverTail malware, targeting developer systems; similarities to past campaigns suggest a North Korean connection.