> > 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