100 Days of MLOps· day 48 of 100
DAY 48MLOps
Online vs Offline Features
Day 48 of 100 Days of MLOps. Training pulls historical features in bulk; serving needs the latest features for one entity in milliseconds. These are two distinct paths in a feature store. Materialize features into Feast's online store, fetch a single house's latest features fast, and understand why offline and online must return consistent values from the same definitions. Runs 100% locally on any OS.
Jul 11, 2026 7 min read1.3k words
This lesson is for members
The first 4 days of 100 Days of MLOps are free. Unlock the full curriculum — every day of every series, current and future — with one membership.
Monthly
₹399
per month
Annual
₹2,999
per year
Lifetime
₹6,999
one-time
- Every series, all days — including future series
- Verified, project-based, no fluff
- Progress synced across all your devices