The software described in this documentation is either in Extended Support or Sustaining Support. See https://www.oracle.com/us/support/library/enterprise-linux-support-policies-069172.pdf for more information.
Oracle recommends that you upgrade the software described by this documentation as soon as possible.
To view a system's usage of swap space, examine the contents of
/proc/swaps
:
# cat /proc/swaps
Filename Type Size Used Priority
/dev/sda2 partition 4128760 388 -1
/swapfile file 999992 0 -2
In this example, the system is using both a 4-gigabyte swap
partition on /dev/sda2
and a one-gigabyte
swap file, /swapfile
. The
Priority
column shows that the system
preferentially swaps to the swap partition rather than to the
swap file.
You can also view /proc/meminfo
or use
utilities such as free,
top, and vmstat to view
swap space usage, for example:
#grep Swap /proc/meminfo
SwapCached: 248 kB SwapTotal: 5128752 kB SwapFree: 5128364 kB #free | grep Swap
Swap: 5128752 388 5128364