# Pigsty v4.0: Victoria Stack + Security Hardening

> VictoriaMetrics/Logs replace Prometheus/Loki for 10x observability performance, Vector handles logs, unified UI, firewall/SELinux/credential hardening.

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LLMS index: [llms.txt](/llms.txt)

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[![featured](/img/hero/pigsty/v40.jpg)](https://vonng.com/en/pigsty/v4.0/)

VictoriaMetrics/Logs replace Prometheus/Loki for 10x observability performance, Vector handles logs, unified UI, firewall/SELinux/credential hardening. [**Read more**](https://vonng.com/en/pigsty/v4.0/)