试题详情
单项选择题 To examine the Exhibit， press the Exhibit button. While a user is compiling a C program， "vmstat 120 10" is run to determine the cause of a performance problem.  Given the vmstat output as shown in the exhibit， which of the following conclusions should be drawn about the I/O bottleneck？（）

A、 There is a file I/O bottleneck.

B、 There are too many open files.

C、 There appears to be a buffer shortage.

D、 There is a paging space I/O bottleneck.

  • A

  • 关注下方微信公众号，在线模考后查看

热门试题