1 files changed, 76 insertions, 0 deletions
diff --git a/src/health/health.d/ram.conf b/src/health/health.d/ram.conf
new file mode 100644
index 000000000..573bc0aca
--- /dev/null
+++ b/src/health/health.d/ram.conf
@@ -0,0 +1,76 @@
+# 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
+host labels: _os=linux
+       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
+    summary: System memory utilization
+       info: System memory utilization
+         to: sysadmin
+
+      alarm: ram_available
+         on: mem.available
+      class: Utilization
+       type: System
+  component: Memory
+host labels: _os=linux
+       calc: $avail * 100 / ($system.ram.used + $system.ram.cached + $system.ram.free + $system.ram.buffers)
+      units: %
+      every: 10s
+       warn: $this < (($status >= $WARNING)  ? (15) : (10))
+      delay: down 15m multiplier 1.5 max 1h
+    summary: System available memory
+       info: Percentage of estimated amount of RAM available for userspace processes, without causing swapping
+         to: silent
+
+      alarm: oom_kill
+         on: mem.oom_kill
+host labels: _os=linux
+     lookup: sum -30m unaligned
+      units: kills
+      every: 5m
+       warn: $this > 0
+      delay: down 10m
+    summary: System OOM kills
+       info: Number of out of memory kills in the last 30 minutes
+         to: silent
+
+## FreeBSD
+      alarm: ram_in_use
+         on: system.ram
+      class: Utilization
+       type: System
+  component: Memory
+host labels: _os=freebsd
+       calc: ($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
+    summary: System memory utilization
+       info: System memory utilization
+         to: sysadmin
+
+      alarm: ram_available
+         on: mem.available
+      class: Utilization
+       type: System
+  component: Memory
+host labels: _os=freebsd
+       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))
+      delay: down 15m multiplier 1.5 max 1h
+    summary: System available memory
+       info: Percentage of estimated amount of RAM available for userspace processes, without causing swapping
+         to: silent