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Improve the documentation on 8.4 visibility map related VACUUM changes.

author Heikki Linnakangas <heikki.linnakangas@iki.fi>

2009年4月23日 10:09:11 +0000 (10:09 +0000)

committer Heikki Linnakangas <heikki.linnakangas@iki.fi>

2009年4月23日 10:09:11 +0000 (10:09 +0000)

commit 335904b4f8949645d9481177f3da373f7b36bc00

tree 51a507229e0e7eba58a156daa62353d64b234a79 tree

parent 283939a321bc492045d00c80146d52672cfc5378 commit | diff

Improve the documentation on 8.4 visibility map related VACUUM changes.
Explain how vacuum_freeze_table_age should be tuned, and how it relates
to the other settings. Mention that vacuum_freeze_table_age also affects
when autovacuum scans the whole table.

doc/src/sgml/maintenance.sgml diff | blob | blame | history

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