hard20 pts · first answer countsbackup-recoverypostgresql

pg_wal growing without limit

There are no replication slots, but pg_wal keeps growing and the disk will be full in hours. pg_stat_archiver shows failed_count rising. What is happening?

A.archive_command is failing, so PostgreSQL keeps every unarchived WAL segment; fix the archiving destination or credentialsB.max_wal_size is too smallC.Autovacuum writes extra WAL that is never removedD.A checkpoint is stuck because of a long SELECT

← pg_upgrade --link and rollback Errant GTIDs block failover →