ArchitectureMergeGuard reviewMedium
Resolver fan-out causes N+1 database hits
mergeguard-demo · 1h ago
Latency spiked after we shipped a new dashboard field. MergeGuard traced it to per-row fetches in a nested resolver.
AI finding
Each parent row triggered a separate DB query for children instead of a batched load.
Suggested fix
Use DataLoader or a single Prisma include at the list query level.
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