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panuwong
Nimbostratus
Apr 07, 2026CPU load when Prometheus is scraping metrics from F5 BIG-IP LTM
We are experiencing an issue where Prometheus is scraping metrics from F5 BIG-IP LTM, causing high CPU and memory utilization on the F5 device. Initial step, we have adjusted the scraping interva...
panuwong
Nimbostratus
Apr 21, 2026I'm still seeing the same issue. Currently, the icrd_child CPU usage is around 40%. The metric collection interval in Prometheus is set to 60 seconds, and there are approximately 300 virtual servers configured. From the restjavad/restnoded logs, it appears that the F5 system is receiving a high number of requests and may not be able to respond in time. Could you please advise if there are any recommendations for using Prometheus to collect metrics at this scale?
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