H3C WSG1812X-PWR, Руководство по установке, Страница: 34 / 47

4
Field Description
4% in last 5 minutes
Average CPU usage in the last 5 minutes (after the device boots, the device
calculates and records the average CPU usage at the interval of 5 minutes).
Displaying the memory usage of the device
Use the
display memory
command to display the memory usage statistics for the device.
<H3C> display memory
Memory statistics are measured in KB:
Slot 1:
Total Used Free Shared Buffers Cached FreeRatio
Mem: 1995224 995016 1000208 0 6120 290652 50.7%
-/+ Buffers/Cache: 698244 1296980
Swap: 0 0 0
Table1-4 Command output
Field Description
Mem Memory usage information.
Total Total size of the physical memory space that can be allocated.
Used Used physical memory.
Free Free physical memory.
Shared Physical memory shared by processes.
Buffers Physical memory used for buffers.
Cached Used physical memory for cache.
FreeRatio Free memory ratio.
–/+ Buffers/Cache
•
-/+ Buffers/Cache:used = Mem:Used – Mem:Buffers –
Mem:Cached, which indicates the physical memory used by
applications.
•
-/+ Buffers/Cache:free = Mem:Free + Mem:B
Mem:Cached, which indicates the physical memory available for
applications.
Swap Swap memory.
Rebooting the device
To reboot the device, use one of the following methods:
•
Reboot the device at the CLI. You can remotely reboot the device in either of the following ways:

Reboot the device immediately by using the
reboot
command.

Schedule a reboot to occur at a specific time or date or after a delay by using the
schedule reboot command.
•
Power off and power on the device. This method cuts off the power of the device forcibly, which
might cause data loss. It is the least-preferred method.