License block: Vezha capabilitiesWhat showsCPU IOWAIT in Vezha is available as cpu.iowait_pct .On Linux, the agent reads /proc/stat , counts iowait across cores, and forms an aggregated value to quickly assess I/O status.Why is this important?This metric helps not to confuse “high CPU” with a situation where the CPU is simply waiting for a disk.The solutions in these two cases are different: optimizing the code won’t help if the node is bogged down in I/O.An example from practiceDuring the peak period, the CPU remained moderate, but the iowait increased dramatically.The team transferred hot data to a faster storage class and removed the tail of delays in a critical write scenario.
CPU IOWAIT
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