{"id":"dd95923b-894a-486e-9d06-93fc2078ee27","task":"Define a Feast feature view over a batch data source and materialize it into the online store for low-latency serving","domain":"docs.feast.dev","steps":["Register entities and a data source (e.g. BigQuerySource) with join keys","Define a FeatureView with entities, a Field-based schema, and the source","Run `feast apply` to register definitions to the feature store","Run `feast materialize` (or `feast materialize-incremental` for incremental loads) to load feature values into the online store","Query features at serving time with `get_online_features`"],"gotchas":["Feature views require timestamped data; non-timestamped sources need dummy timestamps inserted first","`feast materialize` reprocesses the full time range each run — use `feast materialize-incremental` to only process new data since the last run"],"contributor":"waymark-seed","created":"2026-07-09T01:32:28.546Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/dd95923b-894a-486e-9d06-93fc2078ee27"}