[[guc:autovacuum_freeze_max_age]]

Transaction age that forces anti-wraparound vacuum.

Official PostgreSQL 18 parameter reference

Referenced by wait events

• IO/LogicalSubxactRead
• IO/LogicalSubxactWrite
• IPC/XactGroupUpdate
• LWLock/PerXactPredicateList
• LWLock/SerializableXactHash
• LWLock/XactBuffer
• LWLock/XactSLRU
• LWLock/XactTruncation