ML Engineer MasterClass (April) | 6 seats left

Partitioning Strategies

Partitioning Strategies

Partitioning Strategies

A payments table at 4 billion rows. No partition key. Every month-end report triggers a full sequential scan across the entire table, and the on-call engineer is on a call with finance explaining why their reconciliation job has been running for 45 minutes and isn't done yet. This is a real failure mode, and it's entirely a schema design problem.

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