Node js performance diagnosis tip - Check for synchronous code in Nodejs process

Check for synchronous code in Nodejs process: The command line utility --trace-sync-io tells us about synchronous tasks.

Example use:

node --trace-sync-io index.js

The Node js runtime provides the –trace-sync-io command-line utility:

This utility can find the synchronous blocking code sections in a Node js project. Synchronous code can be replaced with an asynchronous code to amplify the performance of the project.

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