TiDB vs. Vespa

Compare TiDB vs. Vespa by the following set of capabilities. We want you to choose the best database for you, even if it’s not us.

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TiDB vs. Vespa on Scalability

TiDBVespa

Separation of storage and compute

❌

Separation of query and insertions

Yes.

Multi-replication

❌

Dynamic segment placement vs. static data sharding

Both

Cloud-native

❌

Billion-scale vector support

❌

TiDB

TiDB is designed with scalability as one of its core features. It offers both horizontal and vertical scaling capabilities to handle growing workloads and data volumes.

Vespa

Vespa is a scalable search engine with a robust distributed architecture that supports horizontal scaling by adding more nodes. It features automatic sharding and data redistribution, allowing it to efficiently manage large datasets and high query volumes.

TiDB vs. Vespa on Functionality

TiDBVespa

Role-based Access Control (RBAC)

❌

Disk Index support

❌

Yes (paged tensor attributes)

Hybrid Search (ie Scalar filtering)

Yes, vector search & SQL search

Yes, vector search & keyword seach

Partitions/namespaces/logical groups

❌

Index type supported

HNSW

HNSW, Hybrid HNSW-IF (Inverted File), paged tensor attributes

Multiple in-memory indexes support

No. HNSW only

❌

TiDB

TiDB offers vector search through its serverless cluster and supports vectors with a maximum dimension of 16,000. The Vector data type in TiDB is designed to store single-precision floating-point numbers (Float32). It only supports cosine distance and L2 distance for similarity measurement.

Vespa

Vespa is a powerful search engine and vector database that can handle multiple searches simultaneously. It's great at vector search, text search, and searching through structured data.

TiDB vs. Vespa on Purpose-built

TiDBVespa

Purpose-built for Vectors

No, vector search is an add-on to TiDB Cloud serverless.

Yes.

Tunable consistency

❌

Support for both stream and batch of vector data

❌

Binary Vector support

❌

Multi-language SDK

No. TiDB does not provide specific SDKs. Instead, it is designed to be compatible with MySQL, which means TiDB can be used with any language with MySQL client or driver support.

Python, Java

Database rollback

❌

TiDB vs. Vespa: what’s right for me?

TiDB

TiDB is an open-source distributed SQL database for OLAP and OLTP workloads. It now offers a vector search capability (in public beta) as an add-on to its SaaS solution, TiDB Cloud Serverless.

Apache 2.0

Vespa

Vespa is a powerful search engine and vector database that can handle multiple searches simultaneously. It's great at vector search, text search, and searching through structured data.

Apache 2.0