Application Delivery Management

Select App Score components and set thresholds

December 31, 2023

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In App Dashboard, as an administrator, you can decide to select the components and configure thresholds for app score calculation. App Score is the scoring system that defines:

How well an application is performing
Whether the application is performing well in terms of responsiveness

Navigate to Applications > Dashboard and then select the settings icon.

App score setting

In the Configure App Score page, you can select the components and configure thresholds to determine the final app score.

App score components

App Score calculation is based on the following components:

App Score components	User configured thresholds	Description
ADC Memory usage	Yes	The low and high threshold value for the total memory usage in the Citrix ADC instance
Surge queue buildup	Yes	The low and high threshold value for the total surge requests that are in queue and need a response.
ADC CPU usage	Yes	The low and high threshold value for the total CPU usage in the Citrix ADC instance.
Response time	Yes	The time interval between sending a request packet and receiving the first response packet from the service configured on the virtual server.
App CPU Usage	Yes	The low and high threshold value for the total CPU usage by the application.
Active services	Yes	The threshold value of the percentage of services that must be active which are bound to the virtual server.
Improper persistence type	No	Indicates if the persistence usage on a virtual server is low.
Server error (5xx)	No	Indicates if the web server responds with 5xx errors.
Unusually large HTTP packets	No	Indicates the occurrences, if the HTTP messages with HTTP header size exceed the configured values in the Citrix ADC instance.
SSL real time traffic	No	Analyzes the SSL traffic to identify real time traffic and suggests optimal configuration settings for improving latency.
SSL session buildup	No	Indicates the session build-up over a period of time, which can lead to a large amount of memory being held up by these sessions in the Citrix ADC instance.
Low session reusage	No	Indicates if the actual number of sessions being reused by the Citrix ADC instance is less.
NIC card saturation	No	Indicates the total packets discarded by the interfaces.
TCP reassemble queue limit hits	No	Indicates if the Out-of-Order packets on a TCP connection exceed the configured out of order packet queue size.

By default, all components are enabled. If you disable any component, Citrix ADM performs the final app score calculation only based on the selected components.

Note

You can also continue to configure thresholds by navigating to Analytics > Settings and clicking Configure App Score.

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Select App Score components and set thresholds

December 31, 2023

Contributed by:

December 31, 2023

Contributed by:

Select App Score components and set thresholds

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