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LetsGit.IT/Categories/PostgreSQL
PostgreSQLhard

How do deadlocks happen in Postgres and how do you reduce them?

Tags
#deadlock#locking#transactions
Back to categoryPractice quiz

Answer

A deadlock happens when two transactions hold locks the other needs (A waits for B, B waits for A). Reduce them by locking rows in a consistent order, keeping transactions short, and avoiding unnecessary `FOR UPDATE`.

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