What are common failure modes of Eager vs Explicit Loading?

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Quick interview answer

Common failures around Eager vs Explicit Loading: blocking the hot path, ignoring backpressure, and weak timeout/retry design. Lazy loading enabled globally causing hidden N+1 in foreach.

Detailed answer

Failure modes for Eager vs Explicit Loading: Known pitfalls: Lazy loading enabled globally causing hidden N+1 in foreach. • Missing timeouts / unbounded retries • No backpressure when downstream slows • Assuming ordering/guarantees the runtime does not provide How seniors prevent them: Prefer Select projection DTOs; AsSplitQuery for multiple collections. Parent context: Mitigate first, then root-cause. Check symptoms against: Lazy loading enabled globally causing hidden N+1 in foreach..

Full explanation

Name concrete failure modes and the mitigation for each — that scores higher than a vague “it can fail.” Include/ThenInclude eager-loads related data in one query. Explicit loading: reference/load after query. Avoid lazy loading in web apps (N+1 in loops).

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Parent context — Eager vs Explicit Loading

Mitigate first, then root-cause. Check symptoms against: Lazy loading enabled globally causing hidden N+1 in foreach..

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