Freedom251 › Service Virtualization Software
Azure Cosmos DB Emulator
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Free | Local development and testing without an Azure subscription · Available for Windows or Linux environments | Free |
| Azure Cosmos DB Emulator | No service costs · Local development and offline testing · Not recommended for production workloads | Free |
As learn.microsoft.com lists them, read 20 Sept 2026. The maker's own page has the final word.
Facts from Azure Cosmos DB Emulator's own pages
- API support
- The Linux vNext emulator supports only the API for NoSQL in gateway mode, with a subset of features. · learn.microsoft.com, 14 Nov 2026
- Authentication and transport
- The classic emulator requires key authentication over TLS/SSL; Linux vNext currently does not enforce authentication. · learn.microsoft.com, 14 Nov 2026
- CI integrations
- Microsoft documents CI workflow examples using GitHub Actions for .NET, Python, Java, and Go on x64 and ARM64 Linux runners. · learn.microsoft.com, 14 Nov 2026
- Current feature gap
- Linux vNext does not support authentication enforcement, stored procedures, triggers, or UDFs. · learn.microsoft.com, 14 Nov 2026
- Data Explorer
- The Linux vNext emulator includes an interactive Data Explorer component. · learn.microsoft.com, 14 Nov 2026
- Linux container
- The next-generation emulator is Linux-based and available as a Docker container. · learn.microsoft.com, 14 Nov 2026
- Linux vNext authentication limitation
- Linux vNext currently does not enforce authentication. · learn.microsoft.com, 14 Nov 2026
- Local-to-cloud transition
- Applications can transition from the emulator to an Azure Cosmos DB account with minimal friction. · learn.microsoft.com, 14 Nov 2026
- Observability
- The Linux vNext emulator supports OpenTelemetry metrics including request rates, query execution times, resource utilization, and error rates. · learn.microsoft.com, 14 Nov 2026
- Processor limitation
- The Linux-based emulator does not support developer machines running on Apple silicon or Microsoft ARM chips. · learn.microsoft.com, 14 Nov 2026
- Production use
- Microsoft does not recommend using the emulator for production workloads. · learn.microsoft.com, 14 Nov 2026
- Purpose
- Provides a local environment that emulates Azure Cosmos DB for development and offline testing. · learn.microsoft.com, 14 Nov 2026
- Scaling limitation
- The classic emulator supports only one running instance and cannot be scaled out or replicated across regions. · learn.microsoft.com, 14 Nov 2026
- Throughput limitation
- The classic emulator supports provisioned throughput but not serverless throughput. · learn.microsoft.com, 14 Nov 2026
Where Azure Cosmos DB Emulator stands on Freedom251
- Service Virtualization Software#13 of 21