Cloud Spanner emulator

Google Cloud · checked 14 Nov 2026

#10 · Cloud Service Emulators

Visit docs.cloud.google.com ↗ Alternatives Cloud Spanner emulator vs Fake S3

How it plugs in

—Public API

NoOpen source

YesFree tier

Signal on Cloud Service Emulators6.0#10 of 15

The emulator is for local application development and testing, not production deployments.

Pricing

Cloud Spanner emulatorNo charge stated · Local, in-memory; development and testing, not productionFree

As docs.cloud.google.com lists them, checked 14 Nov 2026.

Near it

All alternatives →

Runs on

Web
Windows
Mac
Linux
iOS
Android

Facts

Website: docs.cloud.google.com
Price: Free tier
Free trial: No
APIs and dialects: It offers the same APIs as the Spanner production service and supports GoogleSQL and PostgreSQL dialects.
Client libraries: It supports all languages of Spanner client libraries, including C++, C#, Go, Java, Node.js, PHP, Python, and Ruby.
Data persistence: It stores data in memory and loses state, schema, and configs when restarted.
Monitoring limitation: It does not support audit logging or monitoring tools.
No auth or transport security: The emulator does not support TLS/HTTPS, authentication, IAM, permissions, or roles.
Open source: The emulator is also available as an open source project on GitHub.
Performance limitation: Its performance and scalability do not compare to the production service.
Tool integrations: The emulator can be used with gcloud CLI and REST APIs.
Ways to run: It can be run using the gcloud CLI or Docker.

On these boards

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