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# you can disable an alarm notification by setting the 'to' line to: silent
# Calculate the base trigger point for the load average alarms.
# This is the maximum number of CPU's in the system over the past 1
# minute, with a special case for a single CPU of setting the trigger at 2.
alarm: load_trigger
on: system.load
os: linux
hosts: *
calc: ($active_processors == nan or $active_processors == inf or $active_processors < 2) ? ( 2 ) : ( $active_processors )
units: cpus
every: 1m
info: trigger point for load average alarms
# Send alarms if the load average is unusually high.
# These intentionally _do not_ calculate the average over the sampled
# time period because the values being checked already are averages.
alarm: load_average_15
on: system.load
os: linux
hosts: *
lookup: max -1m unaligned of load15
units: load
every: 1m
warn: $this > (($status >= $WARNING) ? (1.75 * $load_trigger) : (2 * $load_trigger))
crit: $this > (($status == $CRITICAL) ? (3.5 * $load_trigger) : (4 * $load_trigger))
delay: down 15m multiplier 1.5 max 1h
info: fifteen-minute load average
to: sysadmin
alarm: load_average_5
on: system.load
os: linux
hosts: *
lookup: max -1m unaligned of load5
units: load
every: 1m
warn: $this > (($status >= $WARNING) ? (3.5 * $load_trigger) : (4 * $load_trigger))
crit: $this > (($status == $CRITICAL) ? (7 * $load_trigger) : (8 * $load_trigger))
delay: down 15m multiplier 1.5 max 1h
info: five-minute load average
to: sysadmin
alarm: load_average_1
on: system.load
os: linux
hosts: *
lookup: max -1m unaligned of load1
units: load
every: 1m
warn: $this > (($status >= $WARNING) ? (7 * $load_trigger) : (8 * $load_trigger))
crit: $this > (($status == $CRITICAL) ? (14 * $load_trigger) : (16 * $load_trigger))
delay: down 15m multiplier 1.5 max 1h
info: one-minute load average
to: sysadmin
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