1z0-460 Exam Dumps | Examine the sar command below. Your Oracle Linux system has one CPU. What does the runq-sz column of

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Question 23/38

Examine the sar command below. Your Oracle Linux system has one CPU. What does the runq-sz column of this output convey about your system?

A. CPU is bottleneck because the run queue size is greater than the number of CPUs on your system.

B. The average of three processes are only using the CPU on your system and hence the CPU is not a bottleneck.

C. CPU is not a bottleneck because the run queue size indicates the number of CPU bound processes on your system.

D. CPU is a bottleneck because the run queue size indicates that adequate memory is not allocated.

Correct Answer: A

Explanation/Reference:
Explanation:
* Use the sar -q command to report the following information:
The Average queue length while the queue is occupied.
The percentage of time that the queue is occupied.
* The following list describes the output from the -q option.
runq-sz
The number of kernel threads in memory that are waiting for a CPU to run. Typically, this value should be less than 2. Consistently higher values mean that the system might be CPU-bound.
%runocc
The percentage of time that the dispatch queues are occupied.
swpq-sz
Swap queue of processes for the sar command.
%swpocc
Swap queue of processes for the sar command.

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