File: //lib/netdata/conf.d/health.d/ipc.conf
# you can disable an alarm notification by setting the 'to' line to: silent
alarm: semaphores_used
on: system.ipc_semaphores
class: Utilization
type: System
component: IPC
host labels: _os=linux
calc: $semaphores * 100 / $ipc_semaphores_max
units: %
every: 10s
warn: $this > (($status >= $WARNING) ? (70) : (80))
delay: down 5m multiplier 1.5 max 1h
summary: IPC semaphores used
info: IPC semaphore utilization
to: sysadmin
alarm: semaphore_arrays_used
on: system.ipc_semaphore_arrays
class: Utilization
type: System
component: IPC
host labels: _os=linux
calc: $arrays * 100 / $ipc_semaphores_arrays_max
units: %
every: 10s
warn: $this > (($status >= $WARNING) ? (70) : (80))
delay: down 5m multiplier 1.5 max 1h
summary: IPC semaphore arrays used
info: IPC semaphore arrays utilization
to: sysadmin