DS School - Shadow mode

[yeomko22]

Shadow mode

• deployemnt need not expose customers to a new version of your service

[yeomko22]

testing models in production

class LassoModelPredictions(Base):
    __tablename__ = "regression_model_predictions"
    id = Column(Integer, primary_key=True)
    user_id = Column(String(36), nullable=False)
    datetime_captured = Column(
        DateTime(timezone=True), server_default=func.now(), index=True
    )
    model_version = Column(String(36), nullable=False)
    inputs = Column(JSONB)
    outputs = Column(JSONB)


class GradientBoostingModelPredictions(Base):
    __tablename__ = "gradient_boosting_model_predictions"
    id = Column(Integer, primary_key=True)
    user_id = Column(String(36), nullable=False)
    datetime_captured = Column(
        DateTime(timezone=True), server_default=func.now(), index=True
    )
    model_version = Column(String(36), nullable=False)
    inputs = Column(JSONB)
    outputs = Column(JSONB)

• 각 모델별 입력과 출력값을 ORM을 이용해서 DB에 저장한다.
• DB에 저장하는 코드는 비동기적으로 실행되게 한다.