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feast-cli-commands.md

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Feast CLI reference

Overview

The Feast CLI comes bundled with the Feast Python package. It is immediately available after installing Feast.

Usage: feast [OPTIONS] COMMAND [ARGS]...

  Feast CLI

  For more information, see our public docs at https://docs.feast.dev/

Options:
  -c, --chdir TEXT  Switch to a different feature repository directory before
                    executing the given subcommand.

  --help            Show this message and exit.

Commands:
  apply                    Create or update a feature store deployment
  entities                 Access entities
  feature-views            Access feature views
  init                     Create a new Feast repository
  materialize              Run a (non-incremental) materialization job to...
  materialize-incremental  Run an incremental materialization job to ingest...
  registry-dump            Print contents of the metadata registry
  teardown                 Tear down deployed feature store infrastructure
  version                  Display Feast SDK version

Global Options

The Feast CLI provides one global top-level option that can be used with other commands

chdir (-c, --chdir)

This command allows users to run Feast CLI commands in a different folder from the current working directory.

feast -c path/to/my/feature/repo apply

Apply

Creates or updates a feature store deployment

feast apply

What does Feast apply do?

  1. Feast will scan Python files in your feature repository and find all Feast object definitions, such as feature views, entities, and data sources.
  2. Feast will validate your feature definitions (e.g. for uniqueness of features)
  3. Feast will sync the metadata about Feast objects to the registry. If a registry does not exist, then it will be instantiated. The standard registry is a simple protobuf binary file that is stored on disk (locally or in an object store).
  4. Feast CLI will create all necessary feature store infrastructure. The exact infrastructure that is deployed or configured depends on the provider configuration that you have set in feature_store.yaml. For example, setting local as your provider will result in a sqlite online store being created.

{% hint style="warning" %} feast apply (when configured to use cloud provider like gcp or aws) will create cloud infrastructure. This may incur costs. {% endhint %}

Entities

List all registered entities

feast entities list

Options:
  --tags TEXT  Filter by tags (e.g. --tags 'key:value' --tags 'key:value,
               key:value, ...'). Items return when ALL tags match.

NAME       DESCRIPTION    TYPE
driver_id  driver id      ValueType.INT64

Feature views

List all registered feature views

feast feature-views list

Options:
  --tags TEXT  Filter by tags (e.g. --tags 'key:value' --tags 'key:value,
               key:value, ...'). Items return when ALL tags match.

NAME                 ENTITIES    TYPE
driver_hourly_stats  {'driver'}  FeatureView

Init

Creates a new feature repository

feast init my_repo_name

Creating a new Feast repository in /projects/my_repo_name.

.
├── data
│   └── driver_stats.parquet
├── example.py
└── feature_store.yaml

It's also possible to use other templates

feast init -t gcp my_feature_repo

or to set the name of the new project

feast init -t gcp my_feature_repo

Materialize

Load data from feature views into the online store between two dates

feast materialize 2020-01-01T00:00:00 2022-01-01T00:00:00

Load data for specific feature views into the online store between two dates

feast materialize -v driver_hourly_stats 2020-01-01T00:00:00 2022-01-01T00:00:00

Materializing 1 feature views from 2020-01-01 to 2022-01-01

driver_hourly_stats:
100%|██████████████████████████| 5/5 [00:00<00:00, 5949.37it/s]

Materialize incremental

Load data from feature views into the online store, beginning from either the previous materialize or materialize-incremental end date, or the beginning of time.

feast materialize-incremental 2022-01-01T00:00:00

Teardown

Tear down deployed feature store infrastructure

feast teardown

Version

Print the current Feast version

feast version