Root Cause and Mitigation Patterns for Connection Pool Exhaustion Caused by PostgreSQL Exclusive Lock Contention

Root Cause and Mitigation Patterns for Connection Pool Exhaustion Caused by PostgreSQL Exclusive Lock Contention High-throughput transactional systems often suffer from cascading service degradation when multiple application threads compete for the same row locks. Under relational database engines like PostgreSQL, unmitigated exclusive row-level locking can quickly saturate connection pools…