Re: 7.3.1 takes long time to vacuum table?
| От | Shridhar Daithankar |
|---|---|
| Тема | Re: 7.3.1 takes long time to vacuum table? |
| Дата | |
| Msg-id | 200302191941.55796.shridhar_daithankar@persistent.co.in обсуждение |
| Ответ на | Re: 7.3.1 takes long time to vacuum table? ("Mark Cave-Ayland" <m.cave-ayland@webbased.co.uk>) |
| Список | pgsql-general |
On Wednesday 19 Feb 2003 7:25 pm, you wrote: > Agreed! If it ruins any caching then in my view it's something that has > to change in order to keep performance. While there may be a penalty to > pay on smaller tables, the benefits of caching would more than make up > for the cost of going forwards - imagine how slow CPUs would be if > everything was a cache miss.... I have an idea. Don't know what to call it, better or stupid. If you are doing vacuum full, it means you are ready to lock the database. I am just wondering if it would be fast to dump the database, drop it and recreate it. Good old defragmentation of ext2fs..;-) Of course, having a spare 80Gigs might turn out to be a problem but I can almost bet that it would finish before 12 hours.. Shridhar
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