单选题Which of the following metrics provided by the iostat report is used to initially determine if a system is I/O bound？（）A % idleB % sysC % userD % iowait
单选题
Which of the following metrics provided by the iostat report is used to initially determine if a system is I/O bound？（）
A
% idle
B
% sys
C
% user
D
% iowait
参考解析
解析：
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