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aspdotnet

(Windows Only) This monitor reports metrics about requests, errors, sessions, worker processes for ASP.NET applications.

Windows Performance Counters

The underlying source for these metrics are Windows Performance Counters. Most of the performance counters that we query in this monitor are actually Gauges that represent rates per second and percentages.

This monitor reports the instantaneous values for these Windows Performance Counters. This means that in between a collection interval, spikes could occur on the Performance Counters. The best way to mitigate this limitation is to increase the reporting interval on this monitor to collect more frequently.

Sample YAML configuration:

monitors:
 - type: aspdotnet

Monitor Type: aspdotnet

Monitor Source Code

Accepts Endpoints: No

Multiple Instances Allowed: No

Configuration

Config option Required Type Description
counterRefreshInterval no int64 (Windows Only) Number of seconds that wildcards in counter paths should be expanded and how often to refresh counters from configuration. (default: 60s)
printValid no bool (Windows Only) Print out the configurations that match available performance counters. This is used for debugging. (default: false)

Metrics

The following table lists the metrics available for this monitor. Metrics that are marked as Included are standard metrics and are monitored by default.

Name Type Included Description
asp_net.application_restarts gauge Count of ASP.NET application restarts.
asp_net.applications_running gauge Number of running ASP.NET applications.
asp_net.requests_current gauge Current number of ASP.NET requests.
asp_net.requests_queue gauge Number of queued ASP.NET requests.
asp_net.requests_rejected gauge Count of rejected ASP.NET requests.
asp_net.worker_process_restarts gauge Count of ASP.NET worker process restarts.
asp_net.worker_processes_running gauge Number of running ASP.NET worker processes.
asp_net_applications.errors_during_execution gauge Count of errors encountered by ASP.NET application durring execution.
asp_net_applications.errors_total_sec gauge Error rate per second for the given ASP.NET application.
asp_net_applications.errors_unhandled_during_execution_sec gauge Unhandled error rate per second countered while an ASP.NET application is running.
asp_net_applications.pipeline_instance_count gauge Number of instances in the ASP.NET application pipeline.
asp_net_applications.requests_failed gauge Count of failed requests in the ASP.NET application
asp_net_applications.requests_sec gauge Rate of requests in the ASP.NET application per second.
asp_net_applications.session_sql_server_connections_total gauge Number of connections to microsoft sql server by an ASP.NET application.
asp_net_applications.sessions_active gauge Number of active sessions in the ASP.NET application.