A. Oplog is full cannot serve IO request from this V
B. The host’s CPU is severely overloaded.
C. SSD tier is not big enough to serve workloads’ IOPS demand.
D. The VM needs more vCPUs
Explanation:
one of the key metrics to consider for VM performance is IOPS (Input/Output Operations Per Second), which is a measure of the number of input/output requests a device processes per second3. Another metric is throughput, which is a measure of how much data a device transfers per second3.