Re: vacuum and routine maintenance docs
От | Scott Marlowe |
---|---|
Тема | Re: vacuum and routine maintenance docs |
Дата | |
Msg-id | 1142267356.6249.191.camel@state.g2switchworks.com обсуждение исходный текст |
Ответ на | Re: vacuum and routine maintenance docs (Bruce Momjian <pgman@candle.pha.pa.us>) |
Список | pgsql-docs |
Sorry for the long delay. 1: We've been busy as a one legged man in a butt kicking contest at work and 2: My laptop, which I use for all this kind of stuff, died and I just got it back a week ago. I will work on it this week, promise. On Thu, 2006-03-02 at 15:42, Bruce Momjian wrote: > Any update on this effort? > > --------------------------------------------------------------------------- > > Scott Marlowe wrote: > > After the most recent post on the general mailing list by someone who > > was a bit confused by postgresql's vacuuming and use of the free space > > map, I've been reviewing the page on routine maintenance. > > > > It's pretty obvious that this page was originally written for an older > > version of PostgreSQL and has had bits and pieces welded onto it over > > time to cover newer features, like the autovacuum daemon. > > > > I'd like to rewrite most of the page, or at least the parts referring to > > vacuuming and analyzing. They seem a bit scattered about on the page, > > and there's no mention at all of the free space map, something which is > > integral to vacuuming the database. > > > > So, before I go of slogging through the snow, a couple of questions. > > > > 1: Is there already a newer version in CVS? Should I check out the > > docs/src directory from there to start? Or can I just go on what's in > > the 8.1 release? > > > > 2: Any input on anyone as to what they feel they'd like to see in the > > docs for this section? > > > > The section on vacuuming and analysis seem kind of light on theory. I'm > > thinking we should mention something about the default statistics or at > > least a reference to a page that explains it. > > > > This also leads me to believe that what we cover on the > > runtime-config-resource page, because the coverage of the fsm there is > > kind of light too. > > > > So, any advice? > > > > ---------------------------(end of broadcast)--------------------------- > > TIP 9: In versions below 8.0, the planner will ignore your desire to > > choose an index scan if your joining column's datatypes do not > > match > >
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