From c69cb8cc094cc916adbc516b09e944cd3d137c01 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 27 Apr 2024 13:08:07 +0200
Subject: Adding upstream version 1.29.3.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 health/health.d/ram.conf | 64 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 health/health.d/ram.conf

(limited to 'health/health.d/ram.conf')

diff --git a/health/health.d/ram.conf b/health/health.d/ram.conf
new file mode 100644
index 0000000..0a71dac
--- /dev/null
+++ b/health/health.d/ram.conf
@@ -0,0 +1,64 @@
+
+# you can disable an alarm notification by setting the 'to' line to: silent
+
+   alarm: used_ram_to_ignore
+      on: system.ram
+      os: linux freebsd
+   hosts: *
+    calc: ($zfs.arc_size.arcsz = nan)?(0):($zfs.arc_size.arcsz - $zfs.arc_size.min)
+   every: 10s
+    info: the amount of memory that is reported as used, but it is actually capable for resizing itself based on the system needs (eg. ZFS ARC)
+
+   alarm: ram_in_use
+      on: system.ram
+      os: linux
+   hosts: *
+#   calc: $used * 100 / ($used + $cached + $free)
+    calc: ($used - $used_ram_to_ignore) * 100 / ($used  + $cached + $free)
+   units: %
+   every: 10s
+    warn: $this > (($status >= $WARNING)  ? (80) : (90))
+    crit: $this > (($status == $CRITICAL) ? (90) : (98))
+   delay: down 15m multiplier 1.5 max 1h
+    info: system RAM used
+      to: sysadmin
+
+   alarm: ram_available
+      on: mem.available
+      os: linux
+   hosts: *
+    calc: ($avail + $system.ram.used_ram_to_ignore) * 100 / ($system.ram.used + $system.ram.cached + $system.ram.free + $system.ram.buffers)
+   units: %
+   every: 10s
+    warn: $this < (($status >= $WARNING)  ? (15) : (10))
+    crit: $this < (($status == $CRITICAL) ? (10) : ( 5))
+   delay: down 15m multiplier 1.5 max 1h
+    info: estimated amount of RAM available for userspace processes, without causing swapping
+      to: sysadmin
+
+## FreeBSD
+   alarm: ram_in_use
+      on: system.ram
+      os: freebsd
+   hosts: *
+    calc: ($active + $wired + $laundry + $buffers - $used_ram_to_ignore) * 100 / ($active + $wired + $laundry + $buffers - $used_ram_to_ignore + $cache + $free + $inactive)
+   units: %
+   every: 10s
+    warn: $this > (($status >= $WARNING)  ? (80) : (90))
+    crit: $this > (($status == $CRITICAL) ? (90) : (98))
+   delay: down 15m multiplier 1.5 max 1h
+    info: system RAM usage
+      to: sysadmin
+
+   alarm: ram_available
+      on: system.ram
+      os: freebsd
+   hosts: *
+    calc: ($free + $inactive + $used_ram_to_ignore) * 100 / ($free + $active + $inactive + $wired + $cache + $laundry + $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: estimated amount of RAM available for userspace processes, without causing swapping
+      to: sysadmin
-- 
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