MLOps

Data Validation and Data Quality

Add production data quality coverage for schemas, ranges, missingness, freshness, outliers, and contract testing.

Recommended on day 3185 minutesIntermediate

Learning objectives

  • Write data checks that catch schema, distribution, and freshness failures
  • Separate hard failures from warn-only checks
  • Connect data contracts to training pipelines and serving paths

Interview prompts

  • What data checks would block a retraining job?
  • How do you detect a silent upstream instrumentation change?