The swap plugin collects system swap metrics.
For more information on what swap memory is, read All about Linux swap space.
Configuration:
# Read metrics about swap memory usage
[[inputs.swap]]
# no configuration
Metrics:
- swap
- fields:
- free (int, bytes): free swap memory
- total (int, bytes): total swap memory
- used (int, bytes): used swap memory
- used_percent (float, percent): percentage of swap memory used
- in (int, bytes): data swapped in since last boot calculated from page number
- out (int, bytes): data swapped out since last boot calculated from page number
Example Output:
swap total=20855394304i,used_percent=45.43883523785713,used=9476448256i,free=1715331072i 1511894782000000000