word
Feature Store
FEE-cher stor
/ˈfiːtʃər stɔːr/Listen
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Syllable breakdown
featurestore
Dictionary meaning
A centralised data management layer that stores, serves, and tracks ML features for both training and real-time inference, ensuring consistency between training and serving environments
History and origin
Coined at Uber (Michelangelo) and Airbnb (Zipline) around 2017
Examples
- Without a feature store, training and serving pipelines often compute features differently, causing skew.
- The feature store allowed the data science team to reuse engineered features across multiple models.
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