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@Prashant Shahi @Vishal Sharma

@Siddhartha It is recommended to import tracing.js when your app is running in PM2 mode. We haven’t seen the delay, is the delay because of loading tracing.js?

Yes, this appears to be related to loading tracing.js. The app does not become fully responsive for about 8-10 seconds, which constitutes the downtime. For now, I’ve configured PM2 to wait for the app to become fully responsive before killing old processes, which can be done via their flags

--wait-ready --listen-timeout 10000

. Reference here: https://pm2.keymetrics.io/docs/usage/pm2-doc-single-page/