2017_12_06-linux_memory_as_disk

Use memory as disk in Linux

2017_12_06

In Linux, it’s very easy to use part of memory as disk

to speed up IO operations.

make mount point

sudo mkdir /mnt/ramdisk

mount

two kinds of filesystem can be used,

tmpfs

and

ramfs

,

tmpfs

is safer.

sudo mount -t tmpfs -o size=32G tmpfs /mnt/ramdisk/

use

rsync

to copy files and show progress

rsync -a --info=progress2 macOS/ /mnt/ramdisk/