1 files changed, 80 insertions, 0 deletions
diff --git a/health/health.d/ram.conf b/health/health.d/ram.conf
new file mode 100644
index 0000000..ab382c4
--- /dev/null
+++ b/health/health.d/ram.conf
@@ -0,0 +1,80 @@
+
+# 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