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Description

File data sources allow for the retrieval of historical feature values from files on disk for building training datasets, as well as for materializing features into an online store.

{% hint style="warning" %} FileSource is meant for development purposes only and is not optimized for production use. {% endhint %}

Example

from feast import FileSource
from feast.data_format import ParquetFormat

parquet_file_source = FileSource(
    file_format=ParquetFormat(),
    file_url="file:///feast/customer.parquet",
)

Configuration options are available here.