Re: PITR, checkpoint, and local relations
От | Mikheev, Vadim |
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Тема | Re: PITR, checkpoint, and local relations |
Дата | |
Msg-id | 3705826352029646A3E91C53F7189E325185D6@sectorbase2.sectorbase.com обсуждение исходный текст |
Ответ на | PITR, checkpoint, and local relations ("J. R. Nield" <jrnield@usol.com>) |
Список | pgsql-hackers |
> > So, we only have to use shared buffer pool for local (but probably > > not for temporary) relations to close this issue, yes? I personally > > don't see any performance issues if we do this. > > Hmm. Temporary relations are a whole different story. > > It would be nice if updates on temp relations never got WAL-logged at > all, but I'm not sure how feasible that is. Right now we don't really There is no any point to log them. > distinguish temp relations from ordinary ones --- in particular, they > have pg_class entries, which surely will get WAL-logged even if we > persuade the buffer manager not to do it for the data pages. Is that > a problem? Not sure. It was not about any problem. I just mean that local buffer pool still could be used for temporary relations if someone thinks that it has any sence, anyone? Vadim
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