Monitored Processes ListΒΆ

The monitored processes list allows user, through the configuration file, to group processes and quickly show if the number of running processes is not good.

../_images/monitored.png

Each item is defined by:

  • description: description of the processes (max 16 chars).
  • regex: regular expression of the processes to monitor.
  • command: (optional) full path to shell command/script for extended
  • stat. Should return a single line string. Use with caution.
  • countmin: (optional) minimal number of processes. A warning will
  • be displayed if number of processes < count.
  • countmax: (optional) maximum number of processes. A warning will be displayed if number of processes > count.

Up to 10 items can be defined.

For example, if you want to monitor the Nginx processes on a web server, the following definition should do the job:

[monitor]
list_1_description=Nginx server
list_1_regex=.*nginx.*
list_1_command=nginx -v
list_1_countmin=1
list_1_countmax=4

If you also want to monitor the PHP-FPM daemon processes, you should add another item:

[monitor]
list_1_description=Nginx server
list_1_regex=.*nginx.*
list_1_command=nginx -v
list_1_countmin=1
list_1_countmax=4
list_2_description=PHP-FPM
list_2_regex=.*php-fpm.*
list_2_countmin=1
list_2_countmax=20

In client/server mode, the list is defined on the server side. A new method, called getAllMonitored, is available in the APIs and get the JSON representation of the monitored processes list.

Alerts are set as following:

# of process Status
0 CRITICAL
min < p < max OK
p > max WARNING