Reference - default performance counters
Kentico EMS required
Features described on this page require the Kentico EMS license.
The following table lists the default counters that are pre-defined in the counters.xpc file and registered in Windows by default:
|
Counter name |
Category |
Description |
Values written by |
|
Allocated memory in MB |
Global |
The size of memory allocated by the application in Megabytes. |
Application |
|
Cache expired items/sec |
Global |
The number of expired cache items per second. |
Application |
|
Cache removed items/sec |
Global |
The number of items removed from cache per second. |
Application |
|
Cache underused items/sec |
Global |
The number of underused cache items per second. |
Application |
|
Content page views/sec |
Global and Sites |
The number of content pages viewed per second. |
Application |
|
E-mails in queue |
Global and Sites |
The number of e-mails in the E-mail queue. |
Application or Windows service* |
|
Error e-mails in queue |
Global and Sites |
The number of e-mails in the E-mail queue whose sending failed. |
Application or Windows service* |
|
Errors |
Global |
The number of errors in event log since last application restart. |
Application |
|
File downloads/sec |
Global and Sites |
The number of files downloaded per second. |
Application |
|
Non-page requests/sec |
Global |
The number of non-page requests per second. |
Application |
|
On-line users – total |
Global and Sites |
The total number of on-line users. |
Application |
|
On-line users – authenticated |
Global and Sites |
The number of authenticated on-line users. |
Application |
|
On-line users – anonymous |
Global and Sites |
The number of anonymous on-line users. |
Application |
|
Pages not found/sec |
Global and Sites |
The number of not found pages (404 error) per second. |
Application |
|
Pending requests/sec |
Global |
The number of pending page requests per second. |
Application |
|
Robots.txt views/sec |
Global and Sites |
The number of robots.txt page requests per second. Important: For values to be written to this counter, IIS must be configured to handle .txt extensions. See Custom and extensionless URLs. |
Application |
|
Running SQL queries |
Global |
The number of running SQL queries. |
Application |
|
Running threads |
Global |
The number of running threads. |
Application |
|
Scheduled tasks running |
Global |
The number of running scheduled tasks. |
Application |
|
Scheduled tasks in queue |
Global |
The number of scheduled tasks in the queue. |
Application or Windows service* |
|
System page views/sec |
Global |
The number of system pages viewed per second. |
Application |
|
Warnings |
Global |
The number of warnings in event log since the last application restart. |
Application |
|
* The Windows service is used to write values to these counters only if it is installed and if the Use external service option is enabled in Settings -> System -> Health monitoring. |
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You can also define custom counters to monitor other system values.