Which of the two tools — Prometheus or VictoriaMetrics — uses more system resources?

VictoriaMetrics generally uses fewer system resources compared to Prometheus. This is due to its optimized storage engine and data compression, which reduce CPU and memory load. Prometheus is more versatile and widely adopted, but it can consume more resources with large volumes of metrics.

Therefore, if resource efficiency and scalability are important, VictoriaMetrics is preferable, while Prometheus is suitable if a rich ecosystem and integrations are needed.