Ever had a VM feel slow even though the guest OS says CPU usage looks normal?
Quick tip: CPU usage and CPU ready time are not the same metric. CPU usage shows how much processing your VM is doing, while CPU ready time shows how long it waits for physical CPU access from the hypervisor. In other words, a VM can look healthy internally but still be CPU-starved underneath.
If you manage VMs, this is one of those metrics worth checking before you chase the wrong bottleneck. Read the full guide here: https://monovm.com/blog/vm-monitoring-metrics/
Read the full guide
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