Re: Temp tables performance question
От | Bruce Momjian |
---|---|
Тема | Re: Temp tables performance question |
Дата | |
Msg-id | 200007131616.MAA24794@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: Temp tables performance question (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-hackers |
> It'd be possible to have them go through the "local buffer manager" > for their entire lives, rather than only for the transaction in which > they are created, as happens for ordinary tables. This would avoid > at least some shared-buffer-manipulation overhead. I'm not sure it'd > buy a whole lot, but it probably wouldn't take much work to make it > happen, either. > > I think it would be folly to try to make them use a different smgr or > avoid WAL; that'd require propagating differences between ordinary and > temp tables into way too many places. Yes, temp table optimization hardly seems worth it. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 853-3000+ If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania19026
В списке pgsql-hackers по дате отправления: