On Fri, Mar 25, 2022 at 02:08:09PM +0900, Michael Paquier wrote: > On Fri, Mar 25, 2022 at 11:11:46AM +0800, Julien Rouhaud wrote: > > As an example, here's a POC for a new shmem_request_hook hook after > > _PG_init(). > > With it I could easily fix pg_wait_sampling shmem allocation (and checked > > that > > it's indeed requesting the correct size). > > Are you sure that the end of a release cycle is the good moment to > begin designing new hooks? Anything added is something we are going > to need supporting moving forward. My brain is telling me that we > ought to revisit the business with GetMaxBackends() properly instead, > and perhaps revert that.
I agree, and as I mentioned in my original email I don't think that the committed patch is actually adding something on which we can really build on. So I'm also in favor of reverting, as it seems like be a better option in the long run to have a clean and broader solution.