Business metrics capture data from a method's parameters or return values to report on the performance of the business.

For example:

What is the average value of the credit card total?
How many credit cards did my application process in a certain time period, regardless of the business transaction?
What was the average time spent processing a credit card transaction?
What is the current rate of rejected credit cards?
Which items were best-sellers in a certain time period?

AppDynamics gathers business metrics using information points. Information points instrument methods in your application code outside the context of a particular business transaction and extract data from code. When the method configured for the information point is invoked, the information point metric is captured.

Accessing Business Metrics

To access the Information Points List, in the left navigation pane click Analyze -> Information Points.

The Information Point List summarizes metrics for all the information points in an application. Business metrics show a value in the # of Custom Metrics column.

From the Information Points List you can:

Filter the list
Select an information point
View one of its metrics in the Metrics Browser
View a graph all its metrics on a dashboard

Each information point has its own dashboard, which reports KPIs (average response time, load, and errors) for the information point, as well as any custom business metrics defined for the information point.

Business metrics appear in the Information Points tree of the Metric Browser.

Business metrics can be accessed from the AppDynamics REST API, just like any other metric. See To Copy the REST URL for a Metric.

Business Metrics in Call Graphs

You can configure snapshots to display information point invocations in call graphs by setting the enable-info-point-data-in-snapshots node property to true. By default the property is false. See App Agent Node Properties.

When the enable-info-point-data-in-snapshots node property is set, information point calls appear in the User Data section of the call graph.

Configuring Business Metrics Using Information Points

You define an information point based on the class and method signature of the method being monitored. See Configure Business Metric Information Points. For PHP agents see Configure Information Points for PHP.

Business Metrics and Health Rules

You can use any parameter or return value of the method to generate a custom business metric across multiple business transactions. You can then create a custom health rule based on the performance of such a custom metric. See Health Rules.

Metrics for Ignored Errors

Exceptions are expensive to create even in modern JVMs. If a particular exception is ignored but still happens often, it can contribute to a CPU spike in the JVMs. The metrics for ignored errors can provide insights into such situations.

Example

{

    // AppDynamics Exit Point interceptor is applied on this method, so we will automatically track this exception
   service.connect(URL);
}
catch(ServiceException sEx)
{
   service.connect(backupURL);
}

In the above code the 'ServiceException' is not really fatal since the code has logic to handle it, so you may decide to add it to 'ignore' list. But if this exception is not truly an exceptional case and happens every time the code executes, having the metric for ignored errors will help you become aware of the additional overhead.

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