tprof
iostat
svmon
filemon
第1题:
Which of the following commands should be used to monitor the number of bytes read on any given disk?()
第2题:
In an iostat report, which of the following options best describes the value of % idle?()
第3题:
Which of the following metrics provided by the iostat report is used to initially determine if a system is I/O bound?()
第4题:
In order to determine how efficiently an application is reading and writing data, which of the following utilities will report read and write sizes on disk I/O requests?()
第5题:
Which of the following commands should be used to show how much data is read from or written to a particular logical volume, given there are several other logical volumes on the same disk?()
第6题:
Which of the following commands should be used to monitor the average number of threads in the scheduler’s run queue for any given interval?()
第7题:
istat
topas
vmstat
filemon
第8题:
A representation of the equation (tps/kbps)*100
The percentage of time the disks are idle with no activity
The percentage of time the disks are idle with no outstanding CPU requests
The percentage of time the CPU is idle with no outstanding disk I/O requests
第9题:
Use of soft links for database directories on the same physical disk
Use of delay_key_write=ON for batch index update
Allocation of RAM to the buffer pool such that more of the data can fit in RAM
Placement of InnoDB log files and datadir on separate physical disks
Use of separate directories on the same physical disk for log files and data files
第10题:
sar
lslv
iostat
filemon
第11题:
tprof
iostat
vmstat
filemon
第12题:
% idle
% sys
% user
% iowait
第13题:
Which of the following utilities will a technician use to determine how many partitions a hard drive has?()
第14题:
Which of the following metrics provided by the iostat report is used to initially determine if a disk is I/O bound?()
第15题:
A disk contains several logical volumes. Which of the following commands indicates how much data is read from or written to a particular logical volume on the same disk?()
第16题:
Which of the following commands should be used to determine which disk of a system is experiencing a disk I/O performance problem?()
第17题:
In an iostat report, which of the following options best describes the value of % iowait?()
第18题:
A customer is experiencing a performance bottleneck. The server is performing sequential I/O requests with large block sizes of 64KB. Improving which of the following storage subsystem characteristics has the biggest impact on this bottleneck?()
第19题:
The amount of time taken to service an I/O interrupt
The percentage of time CPU(s) are waiting for page ins
The percentage of time the CPU9(s) are waiting on network
The percentage of time the CPU(s) are waiting for outstanding disk I/O requests
第20题:
filemon
istat
vmstat
iostat
第21题:
tprof
iostat
svmon
filemon
第22题:
sar
iostat
svmon
filemon
第23题:
tprof
topas
filemon
vmstat
第24题:
tin
tout
% idle
% tm_act