A. The values do not include working storage.
B. The values do not include persistent storage.
C. The values include both persistent and working storage.
D. The values are not working or persistent storage.
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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？（）
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.
A. The total CPU usage for this drive
B. The bandwidth utilization of the indicated drive
C. It can best be represented by the equation （%iowait - %ioidle）
D. It can best be represented by the equation （kilobytes read/kilobytes written） *100
A. tprof
B. iostat
C. vmstat
D. filemon
A. tprof
B. iostat
C. svmon
D. filemon
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. Using the vmstat output as shown in the exhibit， which of the following conclusions is most appropriate to draw about the I/O bottleneck？（）
A. The bottleneck is network I/O.
B. The bottleneck is local disk I/O.
C. The bottleneck is paging space I/O.
D. The bottleneck is to a remote filesystem.
最新試題
When setting up schedules and enforcing scheduling of different types of workloads， which of the following are critical performance issues？（）
Which of the following phrases is TRUE regarding monitoring disk I/O with iostat？（）
After issuing the nfsstat -rs command， the null received column starts to grow. This indicates which of the following conditions？（）
The system administrator notices that there is an I/O bottleneck on one of three disks in datavg volume group. This problem disk contains the JFS log， loglv00 and one filesystem， /mydatabase. There are no other logical volumes on this disk. Which of the following options would be the best solution？（）
Which of the following commands is run to adjust the number of free paging-space pages at which AIX begins killing processes？（）
Which command series should be used to determine whether file paging or paging space paging is a problem when running a program from an idle system？（）
A system administrator increases the mbuf pool allocation， then runs vmstat. It is noticed that the paging rate has not decreased. What is the most effective option to maintain the mbuf pool and decrease paging？（）
When monitoring a system using vmstat with an interval， which of the following conclusions should be drawn about the metrics under page pi and page po？（）
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. Using the vmstat output as shown in the exhibit， which of the following conclusions is most appropriate to draw about the I/O bottleneck？（）
Which of the following RAID levels provide the best performance for a system where there are mostly writes occurring？（）