extend wait event (Lock) — PostgreSQL
PostgreSQL Lock wait event extend: Waiting to extend a relation.
PostgreSQL Lock wait event extend: Waiting to extend a relation.
PostgreSQL Lock wait event frozenid: Waiting to update pg_database.datfrozenxid and pg_database.datminmxid.
PostgreSQL Lock wait event object: Waiting to acquire a lock on a non-relation database object.
PostgreSQL Lock wait event page: Waiting to acquire a lock on a page of a relation.
PostgreSQL Lock wait event relation: Waiting to acquire a lock on a relation.
PostgreSQL Lock wait event spectoken: Waiting to acquire a speculative insertion lock.
PostgreSQL Lock wait event transactionid: Waiting for a transaction to finish.
PostgreSQL Lock wait event tuple: Waiting to acquire a lock on a tuple.
PostgreSQL Lock wait event userlock: Waiting to acquire a user lock.
PostgreSQL Lock wait event virtualxid: Waiting to acquire a virtual transaction ID lock; see .