A. istat
B. topas
C. vmstat
D. filemon
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A. Kernel thread
B. Too many users
C. Memory shortage
D. Network contention
A. ping
B. trace
C. ifconfig
D. lsattr
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. % idle
B. % sys
C. % user
D. % iowait
A. defragfs
B. istat
C. filemon
D. fileplace
最新試題
After issuing the nfsstat -rs command， the null received column starts to grow. This indicates which of the following conditions？（）
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 is most appropriate to draw about the machine？（）
To examine the Exhibit， press the Exhibit button. Using the output of "lslv" as shown in the exhibit， and given that logical volume lv00 is only located on hdisk0， which of the following conclusions is most appropriate to draw？（）
Which of the following metrics provided by the iostat report is used to initially determine if a disk is I/O bound？（）
When setting up schedules and enforcing scheduling of different types of workloads， which of the following are critical performance issues？（）
Which of the following performance tools will work with optimized code and also provides source statement profiling？（）
Which of the following logical volume placement policies is likely to give the best performance in most cases， all other factors being equal？（）
To examine the Exhibit， press the Exhibit button. Using the "ps -mo THREAD" output as shown in the exhibit， which of the following conclusions is most appropriate to draw？（）
In an iostat report， which of the following options best describes the value of % tm_act？（）
Page replacements algorithm steals file pages only when percent of RAM occupied by filepages（）