Re: Vacuuming the free space map considered harmful? - Mailing list pgsql-hackers

From Christophe Pettus
Subject Re: Vacuuming the free space map considered harmful?
Date
Msg-id 9D682498-8481-4D47-A3D3-46F21491A9F8@thebuild.com
Whole thread Raw
In response to Re: Vacuuming the free space map considered harmful?  (Christophe Pettus <xof@thebuild.com>)
List pgsql-hackers

> On Mar 19, 2025, at 15:06, Christophe Pettus <xof@thebuild.com> wrote:
>
> From an (admittedly somewhat naïve) look at the code, it appears that having it honor the cost delay wouldn't
introduceexcessive blocking, as long as the delay wasn't implemented at a really dumb place. 

Specifically, it looks like doing the cost-based wait immediately after backend/storage/freespace/freespace.c:898 (in
HEAD)wouldn't be in a critical section, although I could be totally in the weeds on this. 




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