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Health Rules Benefits


What are the benefits around creating health rules in baseline and browser metrics?


Community Manager

@Joel.Francois I would say that Health Rules are a way to customize your anomaly detection engine. We have a number of built-in HRs that you can use as-is or customize, depending on the type of entity you are looking to configure, on top of creating your own. 

If a value for say, the response time between services, or hardware resource such as CPU goes beyond a threshold you configure, you can configure warnings and/or critical notifications and automated responses. 

While baselines are automatically detected with the AppDynamics cognition engine, Health Rules are configured by the end user. Baselines will alert on deviations the system sees as anomalies, where as HRs will rely on the values being defined by you, or AppD if we are talking out-of-the-box health rules. 

So the main points here are that you have control over which values are determined to mean an issue, or potential one, and having the ability to automate responses to those, Jira ticket, PagerDuty notification, etc...

I also want to add some details here that I put together for a presentation some time ago...

AppDynamics provides a method to account for variations in the normal operation of the overall application, various user experience areas such as browser or mobile applications as well as API monitoring…additionally, databases, servers, and analytics make up the scope of Health Rules.

Baselines derived from AppDynamics Cognition Engine, feed into health rules…

The types of health rules that can be configured are around:

Transaction performance metrics related to the load, i.e. response time, slow calls, stalls, errors, etc.,

Node health such as the hardware, JVM, JMX, disk I/O…

User experience areas such as how they relate to pages, i.e. the DOM build time, digest cycles, load and execution time, AJAX requests, mobile app status changes, HTTP errors, and many other relevant performance metrics.

•Additionally, types relating to hardware resources for servers, databases, service endpoints, and just a slew of others…