Which of the following methods can be used to determine whether the SSD device has reached the bottleneck? (Multiple choice)
A . Check the performance of the current SSD device, whether it has reached the officially released performance value.
B . Use iostat to check the SSD device parameters, whether the svctm value is significantly higher.
C . For the SSD, you can also check if the %util value has reached 100%^
D . The client reads the data significantly slower
Answer: ABC