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Overview
Collect IIS metrics aggregated across all of your sites, or on a per-site basis. The IIS Agent check collects metrics for active connections, bytes sent and received, request count by HTTP method, and more. It also sends a service check for each site, letting you know whether it’s up or down.
Setup
Installation
The IIS check is packaged with the Agent. To start gathering your IIS metrics and logs, install the Agent on your IIS servers.
Host
To configure this check for an Agent running on a host:
Note: Versions 2.14.0 or later of this check use a new implementation for metric collection, which requires Python 3. For hosts that are unable to use Python 3, or if you would like to use a legacy version of this check, refer to the following config.
Log collection
Collecting logs is disabled by default in the Datadog Agent, enable it in your datadog.yaml file:
logs_enabled:true
Add this configuration block to your iis.d/conf.yaml file to start collecting your IIS Logs:
Change the path and service parameter values and configure them for your environment. See the sample iis.d/conf.yaml for all available configuration options.
Note: Ensure the datadog-agent user has read and execute access to tail the log files you want to collect from. When IIS creates a new sub-folder (such as when a new site is created), the permissions of the parent folder are not automatically inherited. See Permission issues tailing log files for more information.
The number of times that the application pool has been recycled since Windows Process Activation Service (WAS) started.
iis.app_pool.state (gauge)
The current status of the application pool (1 - Uninitialized, 2 - Initialized, 3 - Running, 4 - Disabling, 5 - Disabled, 6 - Shutdown Pending, 7 - Delete Pending).
iis.app_pool.uptime (gauge)
The length of time, in seconds, that the application pool has been running since it was started. Shown as second
iis.errors.locked (gauge)
The number of locked errors per second (typically reported as an HTTP 423 response code) Shown as error
iis.errors.not_found (gauge)
The number of not found errors per second (typically reported as an HTTP 404 response code) Shown as error
iis.httpd_request_method.delete (gauge)
The number of DELETE requests per second Shown as request
iis.httpd_request_method.get (gauge)
The number of GET requests per second Shown as request
iis.httpd_request_method.head (gauge)
The number of HEAD requests per second Shown as request
iis.httpd_request_method.options (gauge)
The number of OPTIONS requests per second Shown as request
iis.httpd_request_method.post (gauge)
The number of POST requests per second Shown as request
iis.httpd_request_method.put (gauge)
The number of PUT requests per second Shown as request
iis.httpd_request_method.trace (gauge)
The number of TRACE requests per second Shown as request
iis.net.bytes_rcvd (gauge)
The number of bytes received per second Shown as byte
iis.net.bytes_sent (gauge)
The number of bytes served per second Shown as byte
iis.net.bytes_total (gauge)
The total number of bytes transferred per second Shown as byte
iis.net.connection_attempts (gauge)
The number of connection attempts since service startup Shown as connection
iis.net.connection_attempts_sec (gauge)
The number of connection attempts per second Shown as connection
iis.net.files_rcvd (gauge)
The number of files received per second Shown as file
iis.net.files_sent (gauge)
The number of files sent per second Shown as file
iis.net.num_connections (gauge)
The number of active connections Shown as connection
iis.requests.cgi (gauge)
The number of Common Gateway Interface requests executed per second Shown as request
iis.requests.isapi (gauge)
The number of ISAPI requests executed per second Shown as request
iis.uptime (gauge)
The amount of time the IIS server has been running Shown as second
iis.users.anon (gauge)
The number of requests from users over an anonymous connection per second Shown as request
iis.users.nonanon (gauge)
The number of requests from users over a non-anonymous connection per second Shown as request
Events
The IIS check does not include any events.
Service Checks
iis.site_up Returns CRITICAL if the uptime for a site is 0 and OK otherwise. The site uptime is collected via Windows Performance Data Helper using the ‘Web Service(*)\Service Uptime’ counter Statuses: ok, critical
iis.app_pool_up Returns CRITICAL if the tagged app_pool is down and OK otherwise. Statuses: ok, critical