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Graph/so-79841048

Answer

so-79841048

so-79841048

so-79841048

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2 linked nodes

PROPOSESSolution

As long as you lock more than a single thing at a time, you risk deadlocks. — lock more than a single thing at a time. Tension: You hold B waiting for A, they hold A waiting for B. Outcome: one of you has to abort or you're stuck.

PROPOSESSolution

I know that it is recommended to use `select..for update skip locked` — under high data volume and frequent updates/deletions. Tension: it can lead to performance degradation. Outcome: `skip locked` is the cheapest option.

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