Explanation

These pages provide conceptual background and design intent for the COS stack. Use this section to understand the why and how behind our architecture, telemetry model, and operational choices.

Getting started with COS concepts

Start here to understand what observability is, the model-driven approach COS follows, and what COS is.

• Overview

Architecture & design

Understand the structural decisions, deployment topology, and stack variants that shape COS.

• Architecture & topology

Signal pipeline

Learn how logs, metrics, and traces flow through the stack, and how alerting and dashboards surface insights from that telemetry.

• Telemetry
• Alerting & dashboards

Day-2 operations

Explore operational concerns such as data integrity, retention, and upgrade handling.

• Operations & data