"David G. Johnston" <david.g.johnston@xxxxxxxxx> writes: > On Wed, Jan 19, 2022 at 2:57 PM Wells Oliver <wells.oliver@xxxxxxxxx> wrote: >> It does. In a cruel twist of fate, RDS parameter groups do not allow >> "48GB" and want integer values. > The system operates and calculates memory in binary per the referenced > documentation so 6,291,456 (I double-checked this). If you don't trust hand arithmetic, try regression=# set effective_cache_size to '48GB'; SET regression=# select setting from pg_settings where name = 'effective_cache_size'; setting --------- 6291456 (1 row) regards, tom lane
