From 4f1e49119e61b7cc340df651d275c0a84b7df587 Mon Sep 17 00:00:00 2001 From: Bruce Momjian Date: Wed, 27 Dec 2006 14:55:17 +0000 Subject: [PATCH] Use "dead" rather than "expired" for vacuumable rows. --- doc/src/sgml/maintenance.sgml | 8 ++++---- doc/src/sgml/ref/vacuum.sgml | 6 +++--- 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/doc/src/sgml/maintenance.sgml b/doc/src/sgml/maintenance.sgml index 4b321ca31b..3603692ee2 100644 --- a/doc/src/sgml/maintenance.sgml +++ b/doc/src/sgml/maintenance.sgml @@ -1,4 +1,4 @@ - + Routine Database Maintenance Tasks @@ -142,9 +142,9 @@ There are two variants of the VACUUM command. The first form, known as lazy vacuum or - just VACUUM, marks expired data in tables and + just VACUUM, marks dead data in tables and indexes for future reuse; it does not attempt - to reclaim the space used by this expired data unless the space is + to reclaim the space used by this dead data unless the space is at the end of the table and an exclusive table lock can be easily obtained. Unused space at the start or middle of the file does not result in the file being shortened and space returned to the @@ -155,7 +155,7 @@ The second form is the VACUUM FULL command. This uses a more aggressive algorithm for reclaiming the - space consumed by expired row versions. Any space that is freed by + space consumed by dead row versions. Any space that is freed by VACUUM FULL is immediately returned to the operating system. Unfortunately, this variant of the VACUUM command acquires an exclusive lock on diff --git a/doc/src/sgml/ref/vacuum.sgml b/doc/src/sgml/ref/vacuum.sgml index 8ca884ccf3..f72f36bf39 100644 --- a/doc/src/sgml/ref/vacuum.sgml +++ b/doc/src/sgml/ref/vacuum.sgml @@ -1,5 +1,5 @@ @@ -29,7 +29,7 @@ VACUUM [ FULL ] [ FREEZE ] [ VERBOSE ] ANALYZE [ Description - VACUUM reclaims storage occupied by expired tuples. + VACUUM reclaims storage occupied by dead tuples. In normal PostgreSQL operation, tuples that are deleted or obsoleted by an update are not physically removed from their table; they remain present until a VACUUM is @@ -152,7 +152,7 @@ VACUUM [ FULL ] [ FREEZE ] [ VERBOSE ] ANALYZE [ We recommend that active production databases be vacuumed frequently (at least nightly), in order to - remove expired rows. After adding or deleting a large number + remove dead rows. After adding or deleting a large number of rows, it may be a good idea to issue a VACUUM ANALYZE command for the affected table. This will update the system catalogs with