Software: Apache/2.4.41 (Ubuntu). PHP/8.0.30 

uname -a: Linux apirnd 5.4.0-204-generic #224-Ubuntu SMP Thu Dec 5 13:38:28 UTC 2024 x86_64 

uid=33(www-data) gid=33(www-data) groups=33(www-data) 

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/usr/lib/netdata/conf.d/health.d/   drwxrwxr-x
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Viewing file:     ipc.conf (979 B)      -rw-r--r--

# 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
       os: linux
    hosts: *
     calc: $semaphores * 100 / $ipc_semaphores_max
    units: %
    every: 10s
     warn: $this > (($status >= $WARNING)  ? (70) : (80))
     crit: $this > (($status == $CRITICAL) ? (70) : (90))
    delay: down 5m multiplier 1.5 max 1h
     info: IPC semaphore utilization
       to: sysadmin

    alarm: semaphore_arrays_used
       on: system.ipc_semaphore_arrays
    class: Utilization
     type: System
component: IPC
       os: linux
    hosts: *
     calc: $arrays * 100 / $ipc_semaphores_arrays_max
    units: %
    every: 10s
     warn: $this > (($status >= $WARNING)  ? (70) : (80))
     crit: $this > (($status == $CRITICAL) ? (70) : (90))
    delay: down 5m multiplier 1.5 max 1h
     info: IPC semaphore arrays utilization
       to: sysadmin