CPU ussage keeps increasing wen server is idle

I have a simple meteor app and using kadira.io,

I notice even wen the server is idle, the CPU keeps increasing, I’m worried that wen the app reaches live environment, is going to crash after some time running with or without any real usage.

any help on how to detect the memory/cpu leak really appreciate it

I faced a similar issue once that was caused by a callback to twillio not being handled correctly, specifically a Meteor.wrapAsync had no return. For reference https://www.dynatrace.com/blog/how-to-track-down-cpu-issues-in-node-js/ has some good background. My suggestion, since you are using kadira, is to use it to run a CPU profile and see stack and function is eating all that CPU.