#APM Fundamentals

Application Performance Monitoring essentials.

#What is APM?

APM tracks application performance including:

Response times
Error rates
Dependencies
User experience

#Distributed Tracing

diagram

Request ──▶ Service A ──▶ Service B ──▶ Database
   │           │             │            │
   └───────────┴─────────────┴────────────┘
                 Trace (spans)

#Tools

Tool	Type
Jaeger	Open source tracing
Zipkin	Open source tracing
OpenTelemetry	Standard/SDK
Datadog APM	Commercial
New Relic	Commercial