On Fri, May 17, 2024 at 06:30:08PM +0000, Imseih (AWS), Sami wrote: >> The advantage of the GUC is that its value could be seen before trying to >> actually start the server. > > Only if they have a sample in postgresql.conf file, right? > A GUC like shared_memory_size_in_huge_pages will not be.
shared_memory_size_in_huge_pages is computed at runtime and can be viewed with "postgres -C" before actually trying to start the server [0]. [0] https://www.postgresql.org/docs/devel/kernel-resources.html#LINUX-HUGE-PAGES -- Nathan Bossart Amazon Web Services: https://aws.amazon.com
