---
title: "What Are IVFFlat Indexes in Pgvector and How Do They Work"
description: "A primer on the pgvector’s Inverted File Flat (ivfflat) algorithm for approximate nearest neighbor search."
section: "Postgres and vector data"
published: 2024-09-06T13:34:21.941Z
---

*Published at Sep 6, 2024*

> **TimescaleDB is now Tiger Data.**

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