Practical overview
When it fits
Use VectorETL when you need a configurable pipeline between an existing database, cloud-storage location or local files and a vector-database destination.
Who it is for
- Data and AI engineers preparing source data for vector-based applications.
- Developers building semantic search, recommendation or other generative AI workflows that need data loaded into a vector database.
Documented uses
- Move selected fields from a database into a vector database as embeddings.
- Process cloud-storage files, such as CSV data in Amazon S3, for a vector-database destination.
- Configure data batching and text chunking as part of an ingestion flow.
Requirements & limits
The repository is public, identifies the project as open source, and lists an MIT license. Installation instructions use pip or a Git repository URL.
- A flow is configured by choosing a source, embedding model, target database and fields to embed.
- Examples use provider-specific credentials, such as an OpenAI API key and a Pinecone API key.
- The README describes batch processing and configurable text chunking with overlap.
- The documented interfaces include a CLI and a Python package.
Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.
Run a configured ETL flow from the command line
Load source data through an embedding provider into a configured vector database using a YAML file.
Before you start
- Install VectorETL with pip.
- Prepare a YAML configuration describing the source, embedding model, target and fields to embed.
- Provide the credentials required by the selected source, embedding provider and destination.
Steps
Install the package with the command below.
pip install --upgrade vector-etlCreate a YAML file with source, embedding, target and embed_columns settings.
Run
vector-etl -c /path/to/your/config.yaml.
Expected outcome
The configured ETL flow runs from the command line and sends the processed data to its configured vector-database target.
Guide limitations
- The README's example configurations require credentials for the selected services.
- Available source, embedding and target choices depend on the configuration and integrations used.
Load a YAML flow from a Python application
Configure and execute a VectorETL flow from Python using a YAML file.
Before you start
- Install VectorETL with pip.
- Prepare a YAML configuration describing the source, embedding model, target and fields to embed.
Steps
Install the package with the command below.
pip install --upgrade vector-etlImport
create_flowfromvector_etland create a flow.Load the YAML file with
flow.load_yaml('/path/to/your/config.yaml').Call
flow.execute().
Expected outcome
The application executes the flow defined in the YAML configuration.
Guide limitations
- The flow depends on valid configuration and any required credentials for the selected integrations.
Sources & review
Source record details
- Source availability
- Active
- Sources checked
- 17 October 2026
- Original website title
- ContextData/VectorETL · Official homepage title · retained in its source language

