Open Source Sflow Collector -

A solid open‑source sFlow collector must handle UDP loss gracefully, normalize sampling rates, and export to a scalable time‑series database. Avoid JSON‑only collectors – they waste CPU and memory at high rates.

estimated_volume = sampled_volume × sampling_rate open source sflow collector

| Metric | Value | |--------|-------| | Max datagrams/sec | 50k – 200k (depending on decoding complexity) | | Flow exports/sec | 500k – 2M | | Memory usage | <2GB (with 1h time‑window) | | CPU cores | 4‑8 (efficient if per‑core poller) | A solid open‑source sFlow collector must handle UDP