Re: Temp tables performance question
От | Bruce Momjian |
---|---|
Тема | Re: Temp tables performance question |
Дата | |
Msg-id | 200007131321.JAA16862@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Temp tables performance question (Hannu Krosing <hannu@tm.ee>) |
Список | pgsql-hackers |
> I have a question about performance issues related to temporary tables. > > IIRC temporary tables were implemented as ordinary tables with some > pre/post-processing to give them unique names so that they would not > clash with similar-named tables from other sessions. Right. > > Is this all that is done or has some work been done to improve their > performance further? > > I'm mainly interested in INSERT performance as this is the area that is > much slower than other operations. So you are not saying that INSERT on temp tables is any slower than ordinary tables, just that you think there is a way to make temp tables faster. My guess is that WAL is going to make INSERT's poor performance a non-issue. -- 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
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