Data Cleanup · interview question

Which option describes the most likely pitfall around safe output writes?

Multiple choiceMediumchapter-4-curatedpremiumdata-cleanupsafe-output-writes

Solve the symptom with comments only and avoid changing the code shape around safe output writes.Delay clarity until production traffic reveals the edge case and then patch it under pressure.Keep safe output writes implicit so the script stays short and hope the next engineer infers the rule.If a process dies mid-write and the target file was already replaced, the next job may read corrupt output.

Answer and explanation

Correct answer

D. If a process dies mid-write and the target file was already replaced, the next job may read corrupt output.

Why

If a process dies mid-write and the target file was already replaced, the next job may read corrupt output. Calling out that risk matters because interviewers notice candidates who think about partially written artifacts and downstream consumers.

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Which option describes the most likely pitfall around safe output writes?

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