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Add Telemetry glossary term - #3682

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shashankvarma499:add-telemetry-term
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shashankvarma499:add-telemetry-term

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Adds a definition for "Telemetry" as a new glossary term, resolving #1164.

The entry follows the glossary style guide and template:

  • a quick summary explaining telemetry as the automated collection of data (logs, metrics, and traces)
  • "Problem it addresses" and "How it helps" sections
  • related terms linking to Observability, Debugging, and Distributed System

The definition is written to complement rather than duplicate the existing Observability term: observability describes a system property, while telemetry describes the data itself and the practice of collecting it.

Status is set to "Feedback Appreciated" for maintainer review.

Fixes #1164

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Signed-off-by: Shashank Varma <324153016+shashankvarma499@users.noreply.github.com>

@hlipsig hlipsig left a comment

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Thanks for the submission! I've left some feedback for areas of improvement. Let me know if you need anything from me!

Comment thread content/en/telemetry.md
tags: ["methodology", "", ""]
---

Telemetry is the automated collection and transmission of data about a system's behavior and performance.

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Telemetry is what is collected, not the act of the collection. Although I understand what you mean here I think we should rework this section.

Comment thread content/en/telemetry.md

Telemetry is the automated collection and transmission of data about a system's behavior and performance.
This data commonly includes logs, metrics, and traces, often called the three pillars of [observability](/observability/).
Systems emit telemetry continuously so operators and developers can understand how they are running without inspecting them directly.

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Systems don't necessarily inherently emit telemetry. The emission of telemetry is instrumented. This section would be stronger with examples of telemetry data that you can generally expect to get with lower effort, like CPU usage, and higher effort like logs and traces.

Comment thread content/en/telemetry.md

Telemetry gives operators a steady, machine-readable view of a running system.
It lets them detect failures, diagnose performance issues, and understand how users experience the system.
Because telemetry is collected automatically and continuously, it supports monitoring, alerting, and [debugging](/debugging/) without requiring direct access to every component.

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I'd rework this to state that the collection of the data can be automated and some cncf projects for doing so.

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[New term] Telemetry

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