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Monitoring high-load systems with PULSESUN

PULSESUN Monday, March 16, 2026

Got tired of monitoring agents eating up all my CPU, so I built PULSESUN.

It’s just a tiny, zero-dependency C implementation for tracking high-load system metrics. It stays completely out of the way, even when polling at sub-10ms intervals.

If anyone else here is obsessed with keeping their observability stack as lightweight as possible, would love to hear your thoughts on the PULSESUN approach.

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