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Signed-off-by: Francisco Javier Arceo <farceo@redhat.com>
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Francisco Javier Arceo 2025-03-27 21:58:57 -04:00
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19
docs/source/providers/vector_io/sqlite-vec.md
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@ -13,32 +13,33 @@ That means you're not limited to storing vectors in memory or in a separate serv
- Fully integrated with Llama Stacks
- Uses disk-based storage for persistence, allowing for larger vector storage
### Comparison to faiss
### Comparison to Faiss
SQLite-Vec is a lightweight alternative to Faiss, which is a popular vector database provider.
While faiss is a powerful, fast, and lightweight in line provider, faiss reindexes the
entire database when a new vector is added. SQLite-Vec is a disk-based storage provider
While Faiss is a fast, lightweight and powerful inline provider, Faiss reindexes the
entire database when a new vector is added. SQLite-Vec is a disk-based storage provider
that allows for larger vector storage and handles incremental writes more efficiently.
sqlite-vec is a great alternative to faiss when you need to execute several writes to the
SQLite-vec is a great alternative to Faiss when you need to execute several writes to the
database.
Consider the histogram below in which 10,000 randomly generated strings were inserted
in batches of 100 into both `faiss` and `sqlite-vec` using `client.tool_runtime.rag_tool.insert()`.
Consider the histogram below in which 10,000 randomly generated strings were inserted
in batches of 100 into both Faiss and SQLite-vec using `client.tool_runtime.rag_tool.insert()`.
```{image} ../../../../_static/providers/vector_io/write_time_comparison_sqlite-vec-faiss.png
:alt: Comparison of SQLite-Vec and Faiss write times
:width: 400px
```
You will notice that the average write time for `sqlite-vec` was 788ms, compared to
47,640ms for faiss. While the number is jarring, if you look at the distribution, you'll notice that it is rather uniformly spread across the [1500, 100000] interval.
You will notice that the average write time for `sqlite-vec` was 788ms, compared to
47,640ms for Faiss. While the number is jarring, if you look at the distribution, you can see that it is rather
uniformly spread across the [1500, 100000] interval.
```{image} ../../../../_static/providers/vector_io/write_time_sequence_sqlite-vec-faiss.png
:alt: Comparison of SQLite-Vec and Faiss write times
:width: 400px
```
For more information about this discussion see [the GitHub Issue](https://github.com/meta-llama/llama-stack/issues/1165)
For more information about this topic see [the GitHub Issue](https://github.com/meta-llama/llama-stack/issues/1165)
where this was discussed.
## Usage