On 7/1/25 19:20, Bertrand Drouvot wrote: > Hi, > > On Tue, Jul 01, 2025 at 06:45:37PM +0200, Tomas Vondra wrote: >> On 7/1/25 18:34, Bertrand Drouvot wrote: >> >> But isn't the _numa view good enough for this? Sure, you need NUMA >> support for it, and it may take a fair amount of time, but how often you >> need to do such queries? > > Not that often, but my reasoning was more like: > > why people managing engines and/or developing on platform that does not > support > libnuma would not deserve access to this information? >
True. I always forget we only support libnuma on linux for now. >> I don't plan to block improving this use case, > > No worries at all, I do appreciate that you're looking at it and provide > feedback > whatever the outcome would be. > >> but I'm not sure it's worth the effort. > > I think that the hard work has already been done while creating > pg_buffercache_numa_pages(). > > Now it's just a matter of extracting the necessary pieces from > pg_buffercache_numa_pages() > so that: > > * the new view could make use of it > * the maintenance burden should be low (thanks to code dedeuplication) > * people that don't have access to a platform that supports libnuma can have > access to this information > +1 regards -- Tomas Vondra
