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APM and Distributed Tracing

Datadog APM provides you with deep insight into your application’s performance-from automatically generated dashboards monitoring key metrics, such as request volume and latency, to detailed traces of individual requests-side by side with your logs and infrastructure monitoring.

Datadog APM is offered as an upgrade to the Pro and Enterprise plans. A free 14-day trial is available. Registered users can visit the APM page of the Datadog application to get started.


Terminology

Term Definition Note
Service Name of a set of processes that do the same job Services are displayed on the Datadog Services list and have out of the box performances graphs.
Resource Particular action for a service Resources are available on the Resources list for each service and have out of the box performances graphs
Trace Representation of a request as it flows across a distributed system A trace can be collected in any language. Traces are found in the Traces list for each resources or in the Trace search directly
Span A logical unit of work in the system Spans are associated with a service and optionally a resource. Each span consists of a start time, a duration, and optional tags.

Further Reading

Additional helpful documentation, links, and articles: