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Testing ProfessorMulti-Cloud Guidebook · Azure
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Azure · Database

Azure Cosmos DB

Globally distributed multi-model DB.

Official docs

Overview

Cosmos DB offers single-digit ms latency at planet scale across NoSQL, MongoDB, Cassandra and Gremlin APIs.

When to use it

  • Global apps needing low latency
  • Event-sourced QA data stores

Setup

  1. Create Cosmos account; pick API and consistency level.
  2. Define database + container with partition key.

How to use

Insert (Node)
await container.items.create({ id, status:'pass', durationMs:1234 });

QA use cases

  • Store per-run telemetry partitioned by date for fast dashboards.