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-rw-r--r--health/health.d/ram.conf80
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diff --git a/health/health.d/ram.conf b/health/health.d/ram.conf
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+
+# you can disable an alarm notification by setting the 'to' line to: silent
+
+ alarm: ram_in_use
+ on: system.ram
+ class: Utilization
+ type: System
+component: Memory
+ os: linux
+ hosts: *
+ calc: $used * 100 / ($used + $cached + $free + $buffers)
+ units: %
+ every: 10s
+ warn: $this > (($status >= $WARNING) ? (80) : (90))
+ crit: $this > (($status == $CRITICAL) ? (90) : (98))
+ delay: down 15m multiplier 1.5 max 1h
+ info: system memory utilization
+ to: sysadmin
+
+ alarm: ram_available
+ on: mem.available
+ class: Utilization
+ type: System
+component: Memory
+ os: linux
+ hosts: *
+ calc: $avail * 100 / ($system.ram.used + $system.ram.cached + $system.ram.free + $system.ram.buffers)
+ units: %
+ every: 10s
+ warn: $this < (($status >= $WARNING) ? (15) : (10))
+ crit: $this < (($status == $CRITICAL) ? (10) : ( 5))
+ delay: down 15m multiplier 1.5 max 1h
+ info: percentage of estimated amount of RAM available for userspace processes, without causing swapping
+ to: sysadmin
+
+ alarm: oom_kill
+ on: mem.oom_kill
+ os: linux
+ hosts: *
+ lookup: sum -30m unaligned
+ units: kills
+ every: 5m
+ warn: $this > 0
+ delay: down 10m
+host labels: _is_k8s_node = false
+ info: number of out of memory kills in the last 30 minutes
+ to: sysadmin
+
+## FreeBSD
+ alarm: ram_in_use
+ on: system.ram
+ class: Utilization
+ type: System
+component: Memory
+ os: freebsd
+ hosts: *
+ calc: ($active + $wired + $laundry + $buffers) * 100 / ($active + $wired + $laundry + $buffers + $cache + $free + $inactive)
+ units: %
+ every: 10s
+ warn: $this > (($status >= $WARNING) ? (80) : (90))
+ crit: $this > (($status == $CRITICAL) ? (90) : (98))
+ delay: down 15m multiplier 1.5 max 1h
+ info: system memory utilization
+ to: sysadmin
+
+ alarm: ram_available
+ on: mem.available
+ class: Utilization
+ type: System
+component: Memory
+ os: freebsd
+ hosts: *
+ calc: $avail * 100 / ($system.ram.free + $system.ram.active + $system.ram.inactive + $system.ram.wired + $system.ram.cache + $system.ram.laundry + $system.ram.buffers)
+ units: %
+ every: 10s
+ warn: $this < (($status >= $WARNING) ? (15) : (10))
+ crit: $this < (($status == $CRITICAL) ? (10) : ( 5))
+ delay: down 15m multiplier 1.5 max 1h
+ info: percentage of estimated amount of RAM available for userspace processes, without causing swapping
+ to: sysadmin