Feast

https://docs.feast.dev/
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### Install helm-docs

Source: https://docs.feast.dev/project/development-guide.md

Install the helm-docs utility using Homebrew to generate chart documentation.

```bash
brew install norwoodj/tap/helm-docs
```

--------------------------------

### Start React Application

Source: https://docs.feast.dev/reference/alpha-web-ui.md

Command to launch the development server.

```bash
yarn start
```

--------------------------------

### Install Feast SDK

Source: https://docs.feast.dev/getting-started/quickstart.md

Install the Feast CLI and SDK using pip.

```bash
pip install feast
```

--------------------------------

### Example Registry Server Output

Source: https://docs.feast.dev/how-to-guides/starting-feast-servers-tls-mode.md

Expected log output indicating the server has started in TLS mode.

```shell
11/04/2024 03:10:27 PM feast.registry_server INFO: Starting grpc registry server in TLS(SSL) mode
11/04/2024 03:10:27 PM feast.registry_server INFO: Grpc server started at https://localhost:6570
```

--------------------------------

### Bootstrap and Install Feast UI

Source: https://docs.feast.dev/reference/alpha-web-ui.md

Commands to initialize a React project and install the Feast UI package and dependencies.

```bash
npx create-react-app your-feast-ui
yarn add @feast-dev/feast-ui
# For custom UI using the Elastic UI Framework (optional):
yarn add @elastic/eui
# For general custom styling (optional):
yarn add @emotion/react
```

--------------------------------

### Install BigQuery Client

Source: https://docs.feast.dev/tutorials/validating-historical-features.md

Install the Google Cloud BigQuery client library for data extraction.

```python
!pip install google-cloud-bigquery
```

--------------------------------

### Start the Feature Server

Source: https://docs.feast.dev/reference/alpha-static-artifacts.md

Command to initiate the feature server.

```bash
feast serve
```

--------------------------------

### Build and install Java feature server chart

Source: https://docs.feast.dev/project/development-guide.md

Commands to build local Java binaries and install the Helm chart with image overrides.

```bash
make build-java-docker-dev
helm install feast-release ../../../infra/charts/feast --values application-override.yaml
```

--------------------------------

### Install MongoDB extra

Source: https://docs.feast.dev/reference/online-stores/mongodb.md

Install the necessary dependencies to use MongoDB as an online store.

```bash
pip install 'feast[mongodb]'
```

--------------------------------

### Install Feast with Cassandra support

Source: https://docs.feast.dev/reference/online-stores/scylladb.md

Install the necessary dependencies to enable Cassandra-compatible online stores.

```bash
pip install "feast[cassandra]"
```

--------------------------------

### Example role output

Source: https://docs.feast.dev/reference/feast-cli-commands.md

Sample output showing the list of role names.

```text
ROLE NAME
admin
reader
writer
```

--------------------------------

### Start Transformation Service

Source: https://docs.feast.dev/reference/feature-servers/go-feature-server.md

Initializes the Feast FeatureStore and starts the transformation server on port 6569.

```python
# -*- coding: utf-8 -*-
from feast.feature_store import FeatureStore


def main():
    # Init the Feature Store
    store = FeatureStore(repo_path="./feature_repo/")

    # Start the feature transformation server
    # default port is 6569
    store.serve_transformations(6569)

if __name__ == "__main__":
    main()
```

--------------------------------

### Implement RedisOnlineStoreCreator

Source: https://docs.feast.dev/how-to-guides/customizing-feast/adding-support-for-a-new-online-store.md

Example of a containerized online store creator for testing purposes.

```python
class RedisOnlineStoreCreator(OnlineStoreCreator):
    def __init__(self, project_name: str, **kwargs):
        super().__init__(project_name)

    def create_online_store(self) -> Dict[str, str]:
        self.container.start()
        log_string_to_wait_for = "Ready to accept connections"
        wait_for_logs(
            container=self.container, predicate=log_string_to_wait_for, timeout=10
        )
        self.container.stop()
```

--------------------------------

### Install Feast and dependencies

Source: https://docs.feast.dev/how-to-guides/feast-snowflake-gcp-aws/install-feast.md

Use these commands to install the core Feast library or specific bundles required for cloud-native integrations.

```bash
pip install feast
```

```bash
pip install 'feast[snowflake]'
```

```bash
pip install 'feast[gcp]'
```

```bash
pip install 'feast[aws]'
```

```bash
pip install 'feast[redis]'
```

--------------------------------

### Build and install Python feature server chart

Source: https://docs.feast.dev/project/development-guide.md

Commands to build local Python binaries and install the Helm chart with custom image tags and configuration.

```bash
make build-feature-server-dev
helm install feast-release ../../../infra/charts/feast-feature-server --set image.tag=dev --set feature_store_yaml_base64=$(base64 feature_store.yaml)
```

--------------------------------

### Install Feast with Online Store Dependencies

Source: https://docs.feast.dev/reference/online-stores/hybrid.md

Install the necessary dependencies for the specific online stores you intend to use with the hybrid configuration.

```bash
pip install 'feast[gcp,cassandra]'
```

--------------------------------

### Install Pre-commit Hooks

Source: https://docs.feast.dev/project/development-guide.md

Run this command to install pre-commit hooks, which automatically execute linting and formatting checks during the commit process.

```sh
make install-precommit
```

--------------------------------

### GET /getting-started/components/overview.md

Source: https://docs.feast.dev/getting-started/components/overview.md

Queries the documentation for specific information using a natural language question and an optional goal.

```APIDOC
## GET /getting-started/components/overview.md

### Description
Queries the documentation dynamically to retrieve answers, excerpts, and sources based on a provided question and optional goal.

### Method
GET

### Endpoint
https://docs.feast.dev/getting-started/components/overview.md

### Parameters
#### Query Parameters
- **ask** (string) - Required - The specific, self-contained question in natural language.
- **goal** (string) - Optional - The broader end goal to help tailor the response.

### Response
#### Success Response (200)
- **answer** (string) - A direct answer to the question.
- **excerpts** (array) - Relevant excerpts from the documentation.
- **sources** (array) - Sources used to generate the answer.
```

--------------------------------

### Get Popular Tags API Usage

Source: https://docs.feast.dev/reference/feature-servers/registry-server.md

Examples of using curl to query the popular tags endpoint with different parameters.

```bash
# Basic usage (all projects)
  curl -H "Authorization: Bearer <token>" \
    "http://localhost:6572/api/v1/metrics/popular_tags"

  # Specific project
  curl -H "Authorization: Bearer <token>" \
    "http://localhost:6572/api/v1/metrics/popular_tags?project=my_project"

  # Custom limit
  curl -H "Authorization: Bearer <token>" \
    "http://localhost:6572/api/v1/metrics/popular_tags?project=my_project&limit=3"
```

--------------------------------

### GET /getting-started/components/online-store.md

Source: https://docs.feast.dev/getting-started/components/online-store.md

Queries the documentation dynamically by providing a specific question and an optional goal.

```APIDOC
## GET /getting-started/components/online-store.md

### Description
Queries the documentation dynamically to retrieve answers, relevant excerpts, and sources based on a provided question.

### Method
GET

### Endpoint
https://docs.feast.dev/getting-started/components/online-store.md

### Parameters
#### Query Parameters
- **ask** (string) - Required - The specific, self-contained question to ask.
- **goal** (string) - Optional - The broader end goal to help tailor the answer.
```

--------------------------------

### Search Feast Resources via cURL

Source: https://docs.feast.dev/reference/feature-servers/registry-server.md

Examples of using the GET /api/v1/search endpoint with various query parameters for filtering, pagination, and sorting.

```bash
# Basic search across all projects
curl -H "Authorization: Bearer <token>" \
  "http://localhost:6572/api/v1/search?query=user"

# Search in specific projects
curl -H "Authorization: Bearer <token>" \
  "http://localhost:6572/api/v1/search?query=driver&projects=ride_sharing&projects=analytics"

# Search with tag filtering
curl -H "Authorization: Bearer <token>" \
  "http://localhost:6572/api/v1/search?query=features&tags=environment:production&tags=team:ml"

# Search with pagination and sorting
curl -H "Authorization: Bearer <token>" \
  "http://localhost:6572/api/v1/search?query=conv_rate&page=1&limit=10&sort_by=name&sort_order=asc"

# Empty query to list all resources with filtering
curl -H "Authorization: Bearer <token>" \
  "http://localhost:6572/api/v1/search?query=&projects=my_project&page=1&limit=20"
```

--------------------------------

### Install Feast dependencies

Source: https://docs.feast.dev/tutorials/agent_feature_store.md

Install Feast with MCP and Milvus support.

```bash
pip install "feast[mcp,milvus]"
```

--------------------------------

### Initialize Denormalized project

Source: https://docs.feast.dev/reference/denormalized.md

Commands to create a virtual environment and install the necessary dependencies.

```bash
mkdir my-feature-project
cd my-feature-project
python -m venv .venv
source .venv/bin/activate  # or `.venv\Scripts\activate` on Windows
pip install denormalized[feast] feast
```

--------------------------------

### Install feast-snowflake

Source: https://docs.feast.dev/tutorials/tutorials-overview/driver-stats-on-snowflake.md

Install the necessary Feast package with Snowflake support.

```shell
pip install 'feast[snowflake]'
```

--------------------------------

### GET /getting-started/components/compute-engine.md

Source: https://docs.feast.dev/getting-started/components/compute-engine.md

Queries the documentation for specific information by providing a question and an optional goal.

```APIDOC
## GET /getting-started/components/compute-engine.md

### Description
Perform a dynamic query against the documentation to retrieve answers, excerpts, and sources based on a specific question.

### Method
GET

### Endpoint
https://docs.feast.dev/getting-started/components/compute-engine.md

### Parameters
#### Query Parameters
- **ask** (string) - Required - The specific, self-contained question to ask.
- **goal** (string) - Optional - The broader end goal to help tailor the response context.
```

--------------------------------

### GET /getting-started/components/registry.md

Source: https://docs.feast.dev/getting-started/components/registry.md

Queries the documentation page for information using a natural language question and an optional end goal.

```APIDOC
## GET /getting-started/components/registry.md

### Description
Queries the documentation dynamically to retrieve answers, excerpts, and sources based on a specific question.

### Method
GET

### Endpoint
https://docs.feast.dev/getting-started/components/registry.md

### Parameters
#### Query Parameters
- **ask** (string) - Required - The specific, self-contained question to ask.
- **goal** (string) - Optional - The broader end goal to help tailor the response.
```

--------------------------------

### Install RaySource for Feast

Source: https://docs.feast.dev/reference/data-sources/ray.md

Install the necessary dependencies to use RaySource with Feast.

```bash
pip install 'feast[ray]'
```

--------------------------------

### Example server startup logs

Source: https://docs.feast.dev/how-to-guides/starting-feast-servers-tls-mode.md

Expected console output confirming the server has initialized in TLS mode.

```shell
11/07/2024 11:10:01 AM feast.offline_server INFO: Found SSL certificates in the args so going to start offline server in TLS(SSL) mode.
11/07/2024 11:10:01 AM feast.offline_server INFO: Offline store server serving at: grpc+tls://127.0.0.1:8815
11/07/2024 11:10:01 AM feast.offline_server INFO: offline server starting with pid: [11606]
```

--------------------------------

### Install DocEmbedder dependencies

Source: https://docs.feast.dev/tutorials/rag-retriever.md

Install the necessary Feast packages with Milvus and RAG support.

```bash
pip install feast[milvus,rag]
```

--------------------------------

### Install OpenLineage dependencies

Source: https://docs.feast.dev/reference/openlineage.md

Install the necessary packages to enable OpenLineage support in Feast.

```bash
pip install openlineage-python
```

```bash
pip install feast[openlineage]
```

--------------------------------

### GET /getting-started/genai.md

Source: https://docs.feast.dev/getting-started/genai.md

Perform a query against the documentation to retrieve answers, excerpts, and sources based on a specific question and optional goal.

```APIDOC
## GET /getting-started/genai.md

### Description
Queries the documentation dynamically to retrieve information not explicitly present on the page. This allows for context-aware answers based on a specific question and an optional broader goal.

### Method
GET

### Endpoint
https://docs.feast.dev/getting-started/genai.md

### Parameters
#### Query Parameters
- **ask** (string) - Required - The specific, self-contained question to ask the documentation.
- **goal** (string) - Optional - The broader end goal to help tailor the answer to the user's needs.

### Request Example
GET https://docs.feast.dev/getting-started/genai.md?ask=How+do+I+configure+a+Spark+offline+store?&goal=Setting+up+a+RAG+pipeline

### Response
#### Success Response (200)
- **answer** (string) - A direct answer to the question.
- **excerpts** (array) - Relevant excerpts from the documentation.
- **sources** (array) - References to the source documentation sections.
```

--------------------------------

### GET /getting-started/third-party-integrations.md

Source: https://docs.feast.dev/getting-started/third-party-integrations.md

Queries the documentation dynamically by providing a question and an optional goal to receive a context-aware answer.

```APIDOC
## GET /getting-started/third-party-integrations.md

### Description
Queries the documentation dynamically to retrieve answers, excerpts, and sources based on a specific question.

### Method
GET

### Endpoint
https://docs.feast.dev/getting-started/third-party-integrations.md

### Parameters
#### Query Parameters
- **ask** (string) - Required - The specific, self-contained question to ask.
- **goal** (string) - Optional - The broader end goal to help tailor the response.
```

--------------------------------

### Install Milvus extra

Source: https://docs.feast.dev/reference/online-stores/milvus.md

Command to install the necessary dependencies for using Milvus with Feast.

```bash
pip install 'feast[milvus]'
```

--------------------------------

### Install Faiss dependency

Source: https://docs.feast.dev/reference/online-stores/faiss.md

Install the required Feast Faiss package using pip.

```bash
pip install 'feast[faiss]'
```

--------------------------------

### GET /tutorials/feature-quality-monitoring-quickstart.md

Source: https://docs.feast.dev/tutorials/feature-quality-monitoring-quickstart.md

Queries the documentation page for information using a natural language question and an optional end goal.

```APIDOC
## GET /tutorials/feature-quality-monitoring-quickstart.md

### Description
Performs a dynamic query against the documentation page to retrieve answers, excerpts, and sources based on a provided question.

### Method
GET

### Endpoint
https://docs.feast.dev/tutorials/feature-quality-monitoring-quickstart.md

### Parameters
#### Query Parameters
- **ask** (string) - Required - The immediate, specific question to ask.
- **goal** (string) - Optional - The broader end goal to help tailor the response.
```

--------------------------------

### Install Oracle Extras

Source: https://docs.feast.dev/reference/offline-stores/oracle.md

Install the necessary dependencies to use the Oracle offline store.

```bash
pip install 'feast[oracle]'
```

--------------------------------

### GET /getting-started/architecture/write-patterns.md

Source: https://docs.feast.dev/getting-started/architecture/write-patterns.md

Queries the documentation for specific information by providing a question and an optional goal.

```APIDOC
## GET /getting-started/architecture/write-patterns.md

### Description
Queries the documentation dynamically to retrieve answers, excerpts, and sources based on a natural language question.

### Method
GET

### Endpoint
https://docs.feast.dev/getting-started/architecture/write-patterns.md

### Parameters
#### Query Parameters
- **ask** (string) - Required - The specific, self-contained question to ask.
- **goal** (string) - Optional - The broader end goal to help tailor the response.

### Response
#### Success Response (200)
- **answer** (string) - A direct answer to the question.
- **excerpts** (array) - Relevant excerpts from the documentation.
- **sources** (array) - Relevant source references.
```

--------------------------------

### GET /reference/kubernetes_auth_setup.md

Source: https://docs.feast.dev/reference/kubernetes_auth_setup.md

Queries the documentation page for specific information using a natural language question and an optional goal.

```APIDOC
## GET /reference/kubernetes_auth_setup.md

### Description
Performs a dynamic query against the documentation page to retrieve answers, excerpts, and sources based on a provided question.

### Method
GET

### Endpoint
https://docs.feast.dev/reference/kubernetes_auth_setup.md

### Parameters
#### Query Parameters
- **ask** (string) - Required - The immediate question to ask the documentation.
- **goal** (string) - Optional - The broader end goal to help tailor the response.
```

--------------------------------

### Object Relationships Response Example

Source: https://docs.feast.dev/reference/feature-servers/registry-server.md

Example JSON response structure for object relationships.

```json
{
  "relationships": [
    { "source": { "type": "feature", "name": "conv_rate" }, "target": { "type": "featureView", "name": "driver_hourly_stats_fresh" } },
    { "source": { "type": "feature", "name": "conv_rate" }, "target": { "type": "featureView", "name": "driver_hourly_stats" } }
  ],
  "pagination": { "totalCount": 2, "totalPages": 1 }
}
```

--------------------------------

### Launch Feast Web UI

Source: https://docs.feast.dev/getting-started/quickstart.md

Start the experimental web server to browse registered features and entities.

```bash
feast ui
```

```bash
INFO:     Started server process [66664]
08/17/2022 01:25:49 PM uvicorn.error INFO: Started server process [66664]
INFO:     Waiting for application startup.
08/17/2022 01:25:49 PM uvicorn.error INFO: Waiting for application startup.
INFO:     Application startup complete.
08/17/2022 01:25:49 PM uvicorn.error INFO: Application startup complete.
INFO:     Uvicorn running on http://0.0.0.0:8888 (Press CTRL+C to quit)
08/17/2022 01:25:49 PM uvicorn.error INFO: Uvicorn running on http://0.0.0.0:8888 (Press CTRL+C to quit)
```

--------------------------------

### CLI options for demo notebooks

Source: https://docs.feast.dev/tutorials/demo-notebooks.md

Customize the output directory, overwrite existing files, or specify a different repository path.

```bash
# Write to a custom directory
feast demo-notebooks -o ./my-notebooks

# Overwrite existing notebooks
feast demo-notebooks --overwrite

# Use --chdir to point at a different feature repo
feast -c /path/to/feature_repo demo-notebooks
```

--------------------------------

### Install Feast MLflow dependency

Source: https://docs.feast.dev/reference/mlflow.md

Install the optional MLflow dependency for Feast using pip.

```bash
pip install feast[mlflow]
```

--------------------------------

### Feature Services Response Example

Source: https://docs.feast.dev/reference/feature-servers/registry-server.md

Example JSON response structure for listing feature services.

```json
{
  "featureServices": [
    { "name": "recommendation_service", "project": "project1", ... },
    { "name": "scoring_service", "project": "project2", ... }
  ],
  "pagination": { "page": 1, "limit": 10, "total": 25, "totalPages": 3 },
  "relationships": { ... }
}
```

--------------------------------

### Initialize a Feast project with Cassandra

Source: https://docs.feast.dev/reference/online-stores/scylladb.md

Create a new project template configured for the Cassandra online store.

```bash
feast init REPO_NAME -t cassandra
```

--------------------------------

### GET /getting-started/architecture/language.md

Source: https://docs.feast.dev/getting-started/architecture/language.md

Queries the documentation page for specific information using a natural language question and an optional goal.

```APIDOC
## GET /getting-started/architecture/language.md

### Description
Performs a dynamic query against the documentation page to retrieve answers, excerpts, and sources based on a provided question.

### Method
GET

### Endpoint
https://docs.feast.dev/getting-started/architecture/language.md

### Parameters
#### Query Parameters
- **ask** (string) - Required - The specific, self-contained question to ask the documentation.
- **goal** (string) - Optional - The broader end goal to help tailor the answer context.
```

--------------------------------

### Install Feast with Great Expectations support

Source: https://docs.feast.dev/reference/dqm.md

Install the necessary dependencies to enable Great Expectations integration.

```shell
pip install 'feast[ge]'
```

--------------------------------

### Initialize a Ray project

Source: https://docs.feast.dev/reference/offline-stores/ray.md

Use the Feast CLI to bootstrap a new project pre-configured with the Ray offline store and compute engine.

```bash
feast init -t ray my_ray_project
cd my_ray_project/feature_repo
```

--------------------------------

### Install Flink dependencies

Source: https://docs.feast.dev/reference/compute-engine/flink.md

Install the required Flink extra using uv from a Feast source checkout.

```bash
uv sync --extra flink --no-dev
```

--------------------------------

### Install Feast Vector Database Extras

Source: https://docs.feast.dev/reference/alpha-vector-database.md

Commands to install Feast with specific vector database support.

```bash
pip install feast[milvus]
```

```bash
pip install feast[elasticsearch]
```

```bash
pip install feast[qdrant]
```

```bash
pip install feast[sqlite_vec]
```

--------------------------------

### Feast apply output

Source: https://docs.feast.dev/getting-started/quickstart.md

Example output showing the creation of entities, feature views, feature services, and SQLite tables.

```text
Created entity driver
Created feature view driver_hourly_stats
Created feature view driver_hourly_stats_fresh
Created on demand feature view transformed_conv_rate
Created on demand feature view transformed_conv_rate_fresh
Created feature service driver_activity_v3
Created feature service driver_activity_v1
Created feature service driver_activity_v2

Created sqlite table my_project_driver_hourly_stats_fresh
Created sqlite table my_project_driver_hourly_stats
```

--------------------------------

### Generate sample data

Source: https://docs.feast.dev/tutorials/agent_feature_store.md

Prepare the environment by generating sample data and applying the registry.

```bash
cd examples/agent_feature_store
python setup_data.py
```

--------------------------------

### Install Feast Operator

Source: https://docs.feast.dev/how-to-guides/feast-on-kubernetes.md

Commands to install the Feast Operator from the stable branch or a specific version tag.

```sh
kubectl apply -f https://raw.githubusercontent.com/feast-dev/feast/refs/heads/stable/infra/feast-operator/dist/install.yaml
```

```sh
kubectl apply -f https://raw.githubusercontent.com/feast-dev/feast/refs/tags/<version>/infra/feast-operator/dist/install.yaml
```

--------------------------------

### Install Feast with dbt support

Source: https://docs.feast.dev/how-to-guides/dbt-integration.md

Install the necessary dependencies to enable dbt integration within Feast.

```bash
pip install 'feast[dbt]'
```

```bash
pip install dbt-artifacts-parser
```

--------------------------------

### GET /project/development-guide.md

Source: https://docs.feast.dev/project/development-guide.md

Queries the documentation dynamically by providing a question and an optional goal to receive a context-aware response.

```APIDOC
## GET /project/development-guide.md

### Description
Performs a dynamic query against the documentation to retrieve answers, relevant excerpts, and sources based on a specific question.

### Method
GET

### Endpoint
https://docs.feast.dev/project/development-guide.md

### Parameters
#### Query Parameters
- **ask** (string) - Required - The specific, self-contained question to ask.
- **goal** (string) - Optional - The broader end goal to help tailor the response.
```

--------------------------------

### Install Feast MCP support

Source: https://docs.feast.dev/getting-started/genai.md

Install the necessary dependencies to enable MCP functionality in your Feast environment.

```bash
pip install feast[mcp]
```

--------------------------------

### Initialize FeatureStore for production

Source: https://docs.feast.dev/how-to-guides/running-feast-in-production.md

Create a FeatureStore instance by pointing to the production repository path containing the feature_store.yaml configuration.

```python
from feast import FeatureStore

fs = FeatureStore(repo_path="production/")
```

--------------------------------

### Search API Response Examples

Source: https://docs.feast.dev/reference/feature-servers/registry-server.md

Examples of various HTTP error and success responses for the Search API.

```json
// Invalid sort_by parameter (HTTP 400)
  {
    "detail": "Invalid sort_by parameter: 'invalid_field'. Valid options are: ['match_score', 'name', 'type']"
  }

  // Invalid sort_order parameter (HTTP 400)
  {
    "detail": "Invalid sort_order parameter: 'invalid_order'. Valid options are: ['asc', 'desc']"
  }

  // Invalid pagination limit above maximum (HTTP 400)
  {
    "detail": "Invalid limit parameter: '150'. Must be less than or equal to 100"
  }

  // Missing required query parameter (HTTP 422)
  {
    "detail": [
      {
        "type": "missing",
        "loc": ["query_params", "query"],
        "msg": "Field required"
      }
    ]
  }

  // Successful response with warnings
  {
    "query": "user",
    "projects_searched": ["existing_project"],
    "results": [],
    "pagination": {
      "page": 1,
      "limit": 50,
      "totalCount": 0,
      "totalPages": 0
    },
    "errors": ["Following projects do not exist: nonexistent_project"]
  }

  // Successful response but empty results
  {
    "query": "user",
    "projects_searched": ["existing_project"],
    "results": [],
    "pagination": {
      "page": 1,
      "limit": 50,
      "totalCount": 0,
      "totalPages": 0
    },
    "errors": []
  }
```

--------------------------------

### Initialize Feast project

Source: https://docs.feast.dev/getting-started/concepts/feature-retrieval.md

Command to generate a repository template for exploring feature retrieval examples.

```bash
feast init -t [YOUR TEMPLATE]
```

--------------------------------

### Install Feast and Great Expectations

Source: https://docs.feast.dev/tutorials/validating-historical-features.md

Install the necessary Python packages to enable Feast integration with Great Expectations.

```python
!pip install 'feast[ge]'
```

--------------------------------

### Start Feast UI

Source: https://docs.feast.dev/reference/mlflow.md

Launches the Feast UI server on a specified host and port.

```bash
feast ui --host 127.0.0.1 --port 8888
```

--------------------------------

### Install External Dialect Driver

Source: https://docs.feast.dev/reference/registries/sql.md

Install necessary Python modules when using databases that require external SQLAlchemy dialects.

```shell
pip install sqlalchemy-cockroachdb
```

--------------------------------

### Run Registry Server in different modes

Source: https://docs.feast.dev/reference/feature-servers/registry-server.md

Commands to start the registry server with varying protocol support.

```bash
feast serve_registry
```

```bash
feast serve_registry --rest-api
```

```bash
feast serve_registry --rest-api --no-grpc
```

--------------------------------

### Install Feast SDK and Redis dependencies

Source: https://docs.feast.dev/reference/online-stores/dragonfly.md

Install the core Feast package and the required Redis extra for Dragonfly compatibility.

```bash
pip install feast
```

```bash
pip install 'feast[redis]'
```

--------------------------------

### GET /tutorials/demo-notebooks.md

Source: https://docs.feast.dev/tutorials/demo-notebooks.md

Queries the documentation page dynamically to retrieve answers, excerpts, and sources based on a specific question and optional goal.

```APIDOC
## GET /tutorials/demo-notebooks.md

### Description
Perform a dynamic query on the documentation page to retrieve answers and relevant excerpts.

### Method
GET

### Endpoint
https://docs.feast.dev/tutorials/demo-notebooks.md

### Parameters
#### Query Parameters
- **ask** (string) - Required - The immediate question to ask.
- **goal** (string) - Optional - The broader end goal to help tailor the response.
```

--------------------------------

### Audit log entry examples

Source: https://docs.feast.dev/reference/feature-servers/python-feature-server.md

Example JSON structures for online and offline audit logs emitted by the feast.audit logger.

```json
{
  "event": "online_feature_request",
  "timestamp": "2026-05-11T08:30:00.123456+00:00",
  "requestor_id": "user@example.com",
  "entity_keys": ["driver_id"],
  "entity_count": 3,
  "feature_views": ["driver_hourly_stats"],
  "feature_count": 3,
  "status": "success",
  "latency_ms": 12.34
}
```

```json
{
  "event": "offline_feature_retrieval",
  "timestamp": "2026-05-11T08:31:00.456789+00:00",
  "method": "to_arrow",
  "start_time": "2026-05-11T08:30:59.226789+00:00",
  "end_time": "2026-05-11T08:31:00.456789+00:00",
  "feature_views": ["driver_hourly_stats"],
  "feature_count": 3,
  "row_count": 500,
  "status": "success",
  "duration_ms": 1230.0
}
```

--------------------------------

### Initialize and Start a Feature Server

Source: https://docs.feast.dev/reference/feature-servers/python-feature-server.md

Workflow for initializing a new Feast repository, applying configurations, materializing data, and launching the feature server.

```bash
$ feast init feature_repo
Creating a new Feast repository in /home/tsotne/feast/feature_repo.

$ cd feature_repo

$ feast apply
Created entity driver
Created feature view driver_hourly_stats
Created feature service driver_activity

Created sqlite table feature_repo_driver_hourly_stats

$ feast materialize-incremental $(date +%Y-%m-%d)
Materializing 1 feature views to 2021-09-09 17:00:00-07:00 into the sqlite online store.

driver_hourly_stats from 2021-09-09 16:51:08-07:00 to 2021-09-09 17:00:00-07:00:
100%|████████████████████████████████████████████████████████████████| 5/5 [00:00<00:00, 295.24it/s]

$ feast serve
09/10/2021 10:42:11 AM INFO:Started server process [8889]
INFO:     Waiting for application startup.
09/10/2021 10:42:11 AM INFO:Waiting for application startup.
INFO:     Application startup complete.
09/10/2021 10:42:11 AM INFO:Application startup complete.
INFO:     Uvicorn running on http://127.0.0.1:6566 (Press CTRL+C to quit)
09/10/2021 10:42:11 AM INFO:Uvicorn running on http://127.0.0.1:6566 (Press CTRL+C to quit)
```

--------------------------------

### GET /how-to-guides/feast-on-kubernetes/feast-operator/03-serving-and-observability.md

Source: https://docs.feast.dev/how-to-guides/feast-on-kubernetes/feast-operator/03-serving-and-observability.md

Queries the documentation dynamically by providing a question and an optional goal.

```APIDOC
## GET /how-to-guides/feast-on-kubernetes/feast-operator/03-serving-and-observability.md

### Description
Queries the documentation dynamically to retrieve answers, excerpts, and sources based on a specific question.

### Method
GET

### Endpoint
https://docs.feast.dev/how-to-guides/feast-on-kubernetes/feast-operator/03-serving-and-observability.md

### Parameters
#### Query Parameters
- **ask** (string) - Required - The specific, self-contained question to ask.
- **goal** (string) - Optional - The broader end goal to help tailor the response.
```

--------------------------------

### GET /getting-started/components/authz_manager.md

Source: https://docs.feast.dev/getting-started/components/authz_manager.md

Queries the documentation page for specific information using natural language questions.

```APIDOC
## GET /getting-started/components/authz_manager.md

### Description
Queries the current documentation page to retrieve answers, excerpts, and sources based on a natural language question.

### Method
GET

### Endpoint
https://docs.feast.dev/getting-started/components/authz_manager.md

### Parameters
#### Query Parameters
- **ask** (string) - Required - The specific, self-contained natural language question.
- **goal** (string) - Optional - The broader end goal to help tailor the response.
```

--------------------------------

### Install Feast with Hybrid Dependencies

Source: https://docs.feast.dev/reference/offline-stores/hybrid.md

Install Feast along with the necessary offline store drivers required for your specific hybrid configuration.

```bash
pip install 'feast[spark,snowflake]'
```

--------------------------------

### Initialize BigQuery Client

Source: https://docs.feast.dev/tutorials/validating-historical-features.md

Create a BigQuery client instance for the specified project.

```python
bq_client = Client(project='kf-feast')
```

--------------------------------

### SQL query string limitation example

Source: https://docs.feast.dev/reference/offline-stores/snowflake.md

Example of a SQL query that will fail due to the use of single quotes for string literals.

```sql
SELECT
    some_column
FROM
    some_table
WHERE
    other_column = 'value'
```

--------------------------------

### Full FeatureStore and OpenLineage Configuration

Source: https://docs.feast.dev/how-to-guides/feast-on-kubernetes/feast-operator/07-openlineage-and-materialization.md

A complete example showing the Secret for OpenLineage credentials and the FeatureStore resource with OpenLineage enabled.

```yaml
apiVersion: v1
kind: Secret
metadata:
  name: openlineage-secret
  namespace: feast
stringData:
  api_key: "<your-api-key>"
---
apiVersion: feast.dev/v1
kind: FeatureStore
metadata:
  name: feast-production
  namespace: feast
spec:
  feastProject: my_project
  materialization:
    onlineWriteBatchSize: 10000
  openlineage:
    enabled: true
    transportType: http
    transportUrl: "http://marquez.feast.svc.cluster.local:5000"
    transportEndpoint: "api/v1/lineage"
    apiKeySecretRef:
      name: openlineage-secret
    extraConfig:
      namespace: "my-feast-project"
      producer: "feast-operator"
      emit_on_apply: "true"
      emit_on_materialize: "true"
  services:
    onlineStore:
      server: {}
```
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