Operational Anti-Pattern Deck

Objection: The scan is small today The admin queue only scans 40,000 rows right now, so we can optimize later. Reply If the queue is an exception list, model the exception with a sparse index before total data growth makes the scan normal. Small scans become launch debt when they scale with the population rather than the work queue. It shifts the metric from current size to growth relationship. Cache durability choice Pure cache Accept loss or eviction because the source database can rebuild values cheaply. Durable cache role Configure persistence and recovery because losing keys changes user-visible state. What…

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