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pgvectorscale
Rust

pgvectorscale

Postgres extension for vector search (DiskANN), complements pgvector for performance and scale. Postgres OSS licensed.

by timescale · GitHub
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In plain words

pgvectorscale adds a StreamingDiskANN index to pgvector, letting PostgreSQL handle very large vector collections at high speed.

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3.12k3.10k
2026-08-022026-08-31
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📄 About

Postgres extension for vector search (DiskANN), complements pgvector for performance and scale. Postgres OSS licensed.

pgvectorscale has 3.1k stars on GitHub. It has been forked 154 times. pgvectorscale is written mainly in Rust. It has been in active development since 2023. pgvectorscale is available under the PostgreSQL license.

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Frequently asked questions

What is pgvectorscale?

Postgres extension for vector search (DiskANN), complements pgvector for performance and scale. Postgres OSS licensed.

Is pgvectorscale open source?

pgvectorscale is an open-source project. It is released under the PostgreSQL license.

Is pgvectorscale free?

Yes. pgvectorscale is free and open source — you can use, modify and self-host it.

What license does pgvectorscale use?

pgvectorscale is available under the PostgreSQL license.

What language is pgvectorscale written in?

pgvectorscale is written mainly in Rust.

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