PG_WALSUMMARY(1) PostgreSQL 18.6 Documentation PG_WALSUMMARY(1) (NAME) pg_walsummary - WAL (SYNOPSIS) pg_walsummary [...] [...] (DESCRIPTION) pg_walsummary WAL . pg_wal/summaries . WAL (incremental backup) . WAL OID (tablespace) OID (relation) (relation fork) . WAL . << >> (limit block) WAL (truncate) 0 . WAL . (OPTIONS) -i --individual pg_walsummary . 0 999 1000 . . -q --quiet . WAL . -V --version . -? --help pg_walsummary . (ENVIRONMENT) PG_COLOR . always auto never. (SEE ALSO) pg_basebackup(1), pg_combinebackup(1) PostgreSQL 18.6 2026 PG_WALSUMMARY(1)