Re: Slow PITR restore

Tom Lane wrote:
> Simon Riggs <simon@2ndquadrant.com> writes:
>> On Tue, 2007-12-11 at 22:21 -0500, Tom Lane wrote:
>>> Yeah, restoring is known to be less than speedy, because essentially
>>> zero optimization work has been done on it.
>
>> If there was a patch to improve this, would it be applied to 8.3?
>
> Good grief, no.  We have not even done the research to find out where
> the bottleneck(s) is/are.  We're not holding up 8.3 while we go back
> into development mode, especially not when this problem has existed
> for seven or eight years (even if JD failed to notice before) and
> there are already some improvements for it in 8.3.

I would also note that this "problem" is only going to be noticeable on
the highest velocity of databases. This is certainly a 10% of the users
issue. It would be great to get it fixed but there are ways around it
(namely making sure you are running pg_standby and pushing logs at
smaller intervals).

Sincerely,

Joshua D. Drake


>
>             regards, tom lane
>