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VM with Hight CPU and Load
Hi
One of my VMs, for the last month, has been experiencing a high level of CPU and load for a few minutes, and then returns to normal load.
I'm monitoring this VM, but during these periods there's nothing different, neither active tasks nor load that could explain this.
The logs don't show anything strange, but during those minutes, all the cores are at 100% and the load reaches 50, and the VM simply stops responding until it returns to normal load, without any human interaction.
Is this a sign that the host is getting full of VMs and the CPU can't handle the tasks?
Thanks
Comments
It might be IO issues at the host system
Do you have detailed CPU usage information? Did you see any steal?
I'm collecting data with Prometheus/Grafana. Does this help?
The CPU steal is high, yes it indicates that the server is overloaded with VMs.