Tom Lane escribió:
> Alvaro Herrera <alvherre@commandprompt.com> writes:
> > Tom Lane escribió:
> >> That's not going to do anything towards reducing the actual I/O volume.
> >> Although I suppose it might be useful if it just cuts the number of
> >> seeks.
>
> > Oh, they had no problems with I/O volume. It was relation extension
> > lock that was heavily contended for them.
>
> Really? I guess that serialized all the I/O ... I'll bet if we got rid
> of that locking somehow, they *would* have a problem with I/O volume.
Well, that would solve the problem as far as I'm concerned and they'd
have to start talking to their storage provider ;-)
--
Alvaro Herrera http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.