Knowledge sharing: High CPU/Memory/Swap investigation/troubleshooting
I will share some basic knowedge about troubleshooting and resolving high data plane or contol plane CPU. First there is an already great article, so first check it:
https://devcentral.f5.com/...
Updated Jul 19, 2022
Version 2.0
Nice summary, thanks a lot Nikoolayy1 .
Monitoring might be a reason for constantly high CPU.
The way tcp_half_open was implemented, could cause a high CPU base line. As well a huge number of https monitors.
Regarding ICMP, TCP, HTTP and HTTPS monitors we can now use the In-TMM monitoring as described here: