A failure needs to be narrowed down before settings are changed or operations retried. Which evidence best separates application errors from environment and dependency problems?

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postgresql

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Tasadduq BurneyownerOwner · Founder

26525 reputation · 18 Mar 2020, 06:41 UTC

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Check the database logs, connection limits, locks and the exact SQL error. A waiting query may be blocked by another transaction rather than inherently slow. Inspect transaction age and blocking relationships before terminating sessions, since an indiscriminate kill can trigger expensive rollbacks.

What should I check first when PostgreSQL fails?

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