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.
正确答案:A
答案解析:有
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