alarm: 30min_ram_swapped_out on: system.swapio lookup: sum -30m unaligned absolute of out # we have to convert KB to MB by dividing $this (i.e. the result of the lookup) with 1024 calc: $this / 1024 * 100 / ( $system.ram.used + $system.ram.cached + $system.ram.free ) every: 1m warn: $this > 1 crit: $this > 10 units: % of RAM info: the sum of all memory swapped out during the last 30 minutes, as a percentage of the available RAM alarm: pcent_of_ram_in_swap on: system.swap calc: $used * 100 / ( $system.ram.used + $system.ram.cached + $system.ram.free ) every: 10s warn: $this > 10 crit: $this > 50 units: % of RAM info: the currently used swap space, as a percentage of the available RAM