Editing AppDynamics (section)

== Remembering (Knowledge / Recall) ==
🧠 List the foundational vocabulary and factual knowledge an expert should be able to recall.

=== Core terminology & definitions ===
* '''[https://en.wikipedia.org/wiki/AppDynamics AppDynamics]''' – Cisco-owned platform for monitoring distributed application performance.
* '''[https://en.wikipedia.org/wiki/Application_performance_management Application Performance Management (APM)]''' – Monitoring and managing performance and availability of applications.
* '''Business Transaction (BT)''' – AppDynamics’ logical unit of an end-to-end request path.
* '''Agent''' – Lightweight process (Java, .NET, Node.js, Machine, DB) collecting telemetry.
* '''Controller''' – Central management server for configuration, baselines, dashboards.
* '''Synthetic Monitoring''' – Automated scripts to test uptime and latency.

=== Key components / actors / parts ===
* '''Application Agents''' – Capture code-level traces.
* '''Machine Agents''' – Capture host metrics (CPU, memory, I/O).
* '''Database Agents''' – Monitor query performance.
* '''End User Monitoring (EUM)''' – Browser/mobile telemetry.
* '''Network Visibility''' – Network flow latency and packet loss mapping.
* '''Controller (SaaS or On-Prem)''' – Aggregates all incoming telemetry.

=== Canonical tools & frameworks ===
* '''Flow Maps'''
* '''AppDynamics Dashboards'''
* '''AppDynamics Query Language (ADQL)'''
* '''Cisco Observability Platform'''

=== Where this topic commonly appears ===
* Enterprise software systems, finance, retail, telecommunications  
* Microservices architectures  
* Kubernetes & container orchestration  
* Performance engineering, SRE, DevOps  

=== Typical recall-level facts ===
* Founded: 2008  
* Acquired by Cisco: 2017  
* Competitors: Dynatrace, Datadog, New Relic  
* Category: APM & Observability  

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