Why swap memory not used linux

Monitoring Swap Resources

The command is used to manage swap areas. Two options, and , display information about swap resources.

Use the command to identify a system's swap areas. Activated swap devices or files are listed under the column.

For example:

# swap -l swapfile dev swaplo blocks free /dev/dsk/c0t0d0s1 136,1 16 1638608 1600528

On a system with a ZFS root file system, the command identifies similar output except that it identifies the ZFS volume path name.

What happens if swap memory is full

For example:

# swap -l swapfile dev swaplo blocks free /dev/zvol/dsk/rpool/swap 256,1 16 1058800 1058800

Use the command to monitor swap resources.

# swap -s total: 57416k bytes allocated + 10480k reserved = 67896k used, 833128k available

The value plus the value equals the total swap space on the system, which includes a portion of physical memory and swap devices (or files).

You can use the amount of available and used swap space (in the output) as a way to monitor swap space usage over time. If a system's performance is good, use to determine how much swap space is available. When the performance of a syste

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