A. renice -n -20 {PID}
B. renice -n 20 {PID}
C. renice -n -40 {PID}
D. renice -n 40 {PID}
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A. Too many nfsd’s running
B. Client and server with different buffer sizes
C. Bridges， routers or gateways are receiving too many fragmentated packets
D. Too few nfsd’s running
A. schedtune -h
B. schedtune -r
C. vmtune -f
D. schedtune -w
A. lsfs
B. iostat
C. lslv -p
D. lsvg -p
A. nfso -d
B. nfso -c
C. startsrc -g nfs -d
D. startsrc -g nfs -r
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.
最新試題
Which of the following commands will only provide a snapshot of average memory usage for a process？（）
An AIX system administrator needs to adjust the maximum amount of memory that can be pinned. Which of the following commands is used to make the change？（）
Which of the following is true about rmss？（）
Page replacements algorithm steals file pages only when percent of RAM occupied by filepages（）
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？（）
After issuing the nfsstat -rs command， the null received column starts to grow. This indicates which of the following conditions？（）
Which of the following logical volume placement policies is likely to give the best performance in most cases， all other factors being equal？（）
Which of the following options would best help to reduce packet fragmentation for a TCP application transferring large amounts of data between servers across a path of multiple networks？（）
Which of the following performance tools will work with optimized code and also provides source statement profiling？（）
The nice value is 80 in the ps listing. Which command is used to change this to a value of 100？（）