Ch4 Architecture¶

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OpenTelemetry consists of three kinds of components:

instrumentation installed within applications,
exporters for infrastructure such as Kubernetes, and
pipeline components for sending all of this telemetry to a storage system.

The relationship between OpenTelemetry and analysis components

Application Telemetry

Library Instrumentation
The OpenTelemetry API: it's safe to call even when OpenTelemetry is not installed within an application.
The OpenTelemetry SDK: a plug-in framework consisting of sampling algorithms, lifecycle hooks, and exporters

Infrastructure Telemetry

OpenTelemetry is slowly being added to Kubernetes and other cloud services. OpenTelemetry comes with a number of components that can be used to gather infrastructure services' telemetry and add it into the pipeline of telemetry coming from applications.

Telemetry Pipelines