Modify the Linux swap swap area size __linux

Swap swap area is the virtual memory technology of Linux, in order to effectively improve the utilization of physical memory, will open a space in the hard disk

Use to stack infrequently used memory data. Sometimes virtual memory is full and some programs die (although not the system crashes). ）

# # How to modify the Swap area # #

Enter a file that modifies the size of the swap space

> The


swap area on the sudo vi/etc/dphys-swapfile raspberry pie default size:

> conf_swapsize=100

change him to "twice times the physical memory "If the physical memory is 512M, then he is 1024M:

> conf_swapsize=1024 Restart the

Swap Zone Management Service process:

> Sudo/etc/init.d/dphys-swapfile Stop
> Sudo/etc/init.d/dphys-swapfile start


View Linux memory:

> Free-m

expected display results: the

output Should look like:

total     used     free   shared  buffers   cached
Mem:           435       56      379        0        3
-/+ buffers/cache:      399
Swap:         1023        0     1023