On Thu, 3 Dec 2020 at 15:53, Craig Ringer <cr...@2ndquadrant.com> wrote:
> > On Tue, 27 Oct 2020 at 16:34, Peter Eisentraut < > peter.eisentr...@2ndquadrant.com> wrote: > >> On 2020-09-25 09:40, Craig Ringer wrote: >> > While working on extensions I've often wanted to enable cache >> clobbering >> > for a targeted piece of code, without paying the price of running it >> for >> > all backends during postgres startup and any initial setup tasks that >> > are required. >> > >> > So here's a patch that, when CLOBBER_CACHE_ALWAYS or >> > CLOBBER_CACHE_RECURSIVE are defined, adds a GUC named >> > clobber_cache_depth . It defaults to 1 for CLOBBER_CACHE_ALWAYS or 3 >> for >> > CLOBBER_CACHE_RECURSIVE to match the existing compiled-in behaviour. >> But >> > with this change it's now possible to run Pg with clobber_cache_depth=0 >> > then set it to 1 only for targeted tests. >> >> I think it would be great if the cache clobber code is always compiled >> in (but turned off) when building with assertions. The would reduce the >> number of hoops to jump through to actually use this locally and reduce >> the number of surprises from the build farm. > > > Updated per your comments Peter, see mail immediately up-thread. Moved to this CF as https://commitfest.postgresql.org/31/2749/ .