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TiDB Cloud

TiDB Cloud

Fully managed, MySQL-compatible distributed SQL database delivered as a cloud service.

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What is TiDB Cloud?

TiDB Cloud is a fully managed, cloud-native distributed SQL database from PingCAP that is MySQL-compatible and built to scale horizontally. It supports transactional workloads, real-time analytics, and AI applications with native vector search, all from one platform. It is aimed at engineering teams and organisations that need scalable data infrastructure without managing the underlying database themselves.

Key Features

MySQL-compatible distributed SQL

Runs as a drop-in replacement for MySQL workloads with horizontal scaling built in.

HTAP processing

Handles transactional and analytical queries on the same live data without ETL jobs or separate replicas.

Serverless autoscaling

Compute scales up with demand and down to zero when idle, so you pay only for what you use.

Vector search and RAG

Native vector indexing and retrieval-augmented generation pipelines for building AI applications on the database.

Full-text search

Built-in text search alongside SQL and vector queries in a single store.

Database branching

Create isolated copies of a database for testing or development, managed like source-code branches.

Data Service REST API

Generate HTTP endpoints directly from SQL, plus a management API and Terraform provider for provisioning.

Pros & Cons

Advantages

  • The free Starter tier offers a usable quota of 25 GiB row storage, 25 GiB column storage and 250 million Request Units per month, which is enough for small projects and prototyping.
  • MySQL compatibility means existing applications and tooling can connect with little or no code change, easing migration.
  • Combining transactional, analytical, vector and full-text workloads in one database removes the need to run and sync several separate systems.
  • Scale-to-zero on the serverless tiers keeps costs low for intermittent or development workloads.
  • It runs across AWS, Google Cloud, Azure and Alibaba Cloud in over 30 regions, giving wide deployment choice.
  • Enterprise tiers add point-in-time recovery, encryption at rest and in transit, and compliance certifications including SOC 2 Type II and PCI-DSS.

Limitations

  • Two of the four editions, Essential and Premium, were still in preview at the time of writing, so they may not yet be suitable for production-critical use.
  • Pricing on the serverless tiers is based on Request Units rather than familiar vCPU or instance sizing, which can make cost forecasting harder for teams new to the model.
  • The Premium tier starts at around 1,800 dollars per month and Dedicated nodes at roughly 1,376 dollars per month for 4 vCPU, so production-grade deployments are a significant spend.
  • As a distributed SQL database, TiDB has operational and behavioural differences from single-node MySQL, and not every MySQL feature or extension is supported.

Use Cases

Engineering teams migrating a growing MySQL application that has outgrown a single-node database and needs horizontal scaling.

Developers building AI and RAG features who want vector search, full-text search and SQL in one store rather than a separate vector database.

SaaS companies that need real-time analytics on live operational data without running a separate data warehouse and ETL pipeline.

Startups and side projects using the free Starter tier to prototype before committing to paid capacity.

Enterprises with business-critical workloads choosing the Dedicated edition for predictable provisioned capacity, compliance and unlimited scaling.

Teams using database branching to spin up isolated environments for testing schema changes and new features against production-like data.