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C.2. Apache 1.3.x and 2.0.x
The probes in this section may be applied to instances of the Apache Web server. Although the default values presume you will apply these probes using standard HTTP, you may also use them over secure connections by changing the application protocol to
https and the port to 443.
C.2.1. Apache::Processes
The Apache::Processes probe monitors the processes executed on an Apache Web server and collects the following metrics:
- Data Transferred Per Child — Records data transfer information only on individual children. A child process is one that is created from the parent process or another process.
- Data Transferred Per Slot — The cumulative amount of data transferred by a child process that restarts. The number of slots is configured in the
httpd.conffile using theMaxRequestsPerChildsetting.
The
ExtendedStatus directive in the httpd.conf file of the Web server must be set to On for this probe to function properly.
Table C.1. Apache::Processes settings
| Field | Value |
|---|---|
| Application Protocol* | http |
| Port* | 80 |
| Pathname* | /server-status |
| UserAgent* | NOCpulse-ApacheUptime/1.0 |
| Username | |
| Password | |
| Timeout* | 15 |
| Critical Maximum Megabytes Transferred Per Child | |
| Warning Maximum Megabytes Transferred Per Child | |
| Critical Maximum Megabytes Transferred Per Slot | |
| Warning Maximum Megabytes Transferred Per Slot |
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