Page 959 - Cloud computing: From paradigm to operation

Monitoring 6

See Table 7-2.

Table 7-2 – Parameters collected to monitor virtual computing resources

Metric name Description Unit

Number of virtual CPUs allocated to the virtual
vCPUs CPU
machine (VM)
vCPU idle time Time of virtual CPUs is in idle status ns
vCPU idle percent Percent of vCPU is in idle status %
vCPU user percent Percent of vCPU is in using status %
vCPU load Virtual CPUs have been loaded process

vCPU I/O wait time Time of virtual CPUs I/O is in waiting status ns
vCPU I/O wait percent Percent of virtual CPU is in using status %
vMemory Volume of virtual RAM allocated to the VM MB
vMemory utilization Average virtual RAM utilization %
vMemory used Used virtual memory size MB
vDisk size Total size of virtual disk allocated to the VM GB
vDisk size used Total size of virtual disk used MB
vDisk random/sequential read requests Number of read requests of virtual disk request
vDisk random/sequential read request
Average rate of read requests of virtual disk request/s
rate
vDisk random/sequential write requests Number of write requests of virtual disk request
vDisk random/sequential write request Average rate of write requests of virtual disk request/s
rate

vDisk random/sequential read bytes Volume of reads of virtual disk kB
vDisk random/sequential read byte rate Average rate of reads of virtual disk kB/s
vDisk random/sequential read delay Average delay of read request ms
vDisk random/sequential read error Volume of read error kB
vDisk random/sequential write bytes Volume of writes of virtual disk kB
VDisk random/sequential write byte rate Average rate of writes of virtual disk kB/s
vDisk random/sequential write delay Average delay of write request ms
vDisk random/sequential write error Volume of write error kB
vGPU util Average vGPU utilization %
vGPU idle time Time of vGPU is in idle status ns
vGPU load vGPUs have been loaded process
vGPU I/O wait time vGPU I/O wait time ns

vGPU idle percent Percent of vGPU is in idle status %
vGPU user percent Percent of vGPU is in using status %
vGPU I/O wait percent Percent of vGPU I/O is in waiting status %
NOTE – All metrics should be measured over different duration, e.g., 1 min, 5 min, 15 min or 30 min.

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