# Immich VectorChord DB Unofficial

Immich VectorChord DB Unofficial is a self-hosted databases app. An experimental PostgreSQL 18.3 database container bundling the VectorChord 1.1.1 and pgvector 0.8.2 extensions, designed to replace Immich's standard Postgres database. It is open source and self-hosted, installable on Docker Hub and Unraid.

Canonical page: https://ourlocalhost.com/app/1145/immich-vectorchord-db-unofficial

## Description

An experimental PostgreSQL 18.3 database container bundling the VectorChord 1.1.1 and pgvector 0.8.2 extensions, designed to replace Immich's standard Postgres database. VectorChord, the successor to pgvecto.rs, uses RaBitQ compression for fast, disk-efficient vector search that Immich relies on for face recognition and CLIP-based image search. The image ships with an SSD-optimized configuration tuned from Immich's defaults, so it works best on SSD-backed storage.

## Platform availability

Available on 1 of 9 platforms: Unraid.

## Health score

49/100 (Fair), based on 4 of 4 factors.
- Maintained: 57 (last commit 182 days ago)
- Popular: 65 (1,810 GitHub stars)
- Easy to install: 35 (1 install platform, install notes, Docker image)
- Light to run: 20 (6 GB minimum RAM, runs on ARM)

## Links

- Official website: https://docs.vectorchord.ai/vectorchord/getting-started/overview.html
- Docker Hub: https://hub.docker.com/r/tensorchord/vchord-postgres
- GitHub: https://github.com/tensorchord/VectorChord
- Unraid: https://ca.unraid.net/apps/immich-vectorchord-db-unofficial-0zzc1o10blzkml?q=immich-vectorchord-db-unofficial
- Documentation: https://docs.vectorchord.ai/

## Common questions

### Is this template the official Immich Postgres image?

No, it is an experimental template built on PostgreSQL 18.3 with VectorChord 1.1.1 and pgvector 0.8.2. The official Immich image is a different Postgres image.

### What should I change if my Immich database is on an HDD?

Remove effective_io_concurrency=200 and random_page_cost=1.2 from the Post Arguments so PostgreSQL uses its defaults.

### How can I recover a broken Immich 1.9.5 setup on unRAID caused by Postgres configuration?

Use the unRAID-specific fix by changing the Postgres instance instead of following Docker Compose instructions.

### Is VectorChord the successor to the older pgvecto.rs extension?

Yes, VectorChord is described as the successor to pgvecto.rs and was developed by the same team.

### What ongoing database care matters for Immich vector indexes?

Keep vector indexes healthy with autovacuum and reindexes. Be careful with Postgres major version jumps because the database is where Immich upgrades can bite.

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Source: Our Local Host (https://ourlocalhost.com/app/1145/immich-vectorchord-db-unofficial), the self-hosted and open-source app directory.