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  5. Christophe Pettus: All Your GUCs in a Row: max_prepared_transactions
Christophe Pettus: All Your GUCs in a Row: max_prepared_transactions
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Christophe Pettus: All Your GUCs in a Row: max_prepared_transactions

Prepared transactions are orphaned sessions that hold locks and block vacuum indefinitely.

DevelopmentPlanet PostgreSQLPublished: September 24, 2026
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When chat is the wrong UI

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