Post-mortem diagnostics & debugging comes into the picture when you want to figure out what went wrong with your Node.js application in production.
In this chapter of Node.js at Scale we will take a look at node-report, a core project which aims to help you to do post-mortem diagnostics & debugging.
The purpose of the module is to produce a human-readable diagnostics summary file. It is meant to be used in both development and production environments.
The generated report includes:
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- heap statistics,
- system information,
- resource usage,