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-rw-r--r--health/health.d/ram.conf64
1 files changed, 64 insertions, 0 deletions
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: used_ram_to_ignore
+ on: system.ram
+ os: linux freebsd
+ hosts: *
+ calc: ($zfs.arc_size.arcsz = nan)?(0):($zfs.arc_size.arcsz)
+ 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 - $used_ram_to_ignore + $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 + $used_ram_to_ignore) * 100 / ($system.ram.used + $system.ram.cached + $system.ram.free + $system.ram.buffers)
+ units: %
+ every: 10s
+ warn: $this < (($status >= $WARNING) ? ( 5) : (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) ? ( 5) : (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