单项选择题
A system has users doing interactive work while background jobs are running. Interactive users are requesting that system response time be improved for foreground processes. Which tuning parameters should be changed to accomplish this?()
A. schedtune -h
B. schedtune -r
C. vmtune -f
D. schedtune -w
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A. lsfs
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C. lslv -p
D. lsvg -p -
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WhichofthefollowingcommandswillresetNFSoptionstotheirdefaults?()
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单项选择题
To examine the Exhibit, press the Exhibit button. While a developer is compiling a C program, "vmstat 120 10" is run to determine the cause of a performance problem. Using the vmstat output as shown in the exhibit, which of the following conclusions is most appropriate to draw about the machine?()
A. The machine has too many users.
B. The machine has an I/O bottleneck.
C. The machine has a CPU bottleneck.
D. The machine has a memory bottleneck.
