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# you can disable an alarm notification by setting the 'to' line to: silent
alarm: 30min_ram_swapped_out
on: system.swapio
class: Workload
type: System
component: Memory
os: linux freebsd
hosts: *
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 )
units: % of RAM
every: 1m
warn: $this > (($status >= $WARNING) ? (20) : (30))
delay: down 15m multiplier 1.5 max 1h
info: percentage of the system RAM swapped in the last 30 minutes
to: sysadmin
alarm: used_swap
on: system.swap
class: Utilization
type: System
component: Memory
os: linux freebsd
hosts: *
calc: ($used + $free) > 0 ? ($used * 100 / ($used + $free)) : 0
units: %
every: 10s
warn: $this > (($status >= $WARNING) ? (80) : (90))
crit: $this > (($status == $CRITICAL) ? (90) : (98))
delay: up 30s down 15m multiplier 1.5 max 1h
info: swap memory utilization
to: sysadmin
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