Feature Materialization

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What is feature materialization

Feature materialization is the process of pushing your offline features into online store like redis, which is close to your Wyvern application so that getting feature data during a production request is done with little latency.

You can leverage feast materialize for your materialization process or the /feature/materialize API if you’re using Wyvern Feature Store.

Wyvern Cloud supports auto feature materialization which ensures materialization happens within 5 mins after new feature data lands on your offline store. This would keep your keep your feature data in your online store as fresh as possible.

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Materialization Rollback

After bad data gets pushed to your offline store, how to fix it?

The rule of thumb is to “look forward” and insert new lines with the correct feature data and a new timestamp for the feature. After fixing data in your offline stores, run materialization which pushes the features to your online store.

Next, let’s learn more about feature logging.