Data Layer at Warp Speed
Audit query plans, eliminate N+1 patterns, and add selective composite indexes. A single missing index can cost thousands of cores during a surge. We once cut a checkout path’s p95 by half with a two-column index and a simpler join.
Data Layer at Warp Speed
Use edge, application, and database caches with clear TTLs and invalidation rules. Consider negative caching, cache stamping, and ETags. Comment with your worst cache bug—then let’s turn that scar into a checklist to prevent repeats.