Hi: On Sun, Nov 29, 2015 at 1:09 PM, Bill Moran <wmo...@potentialtech.com> wrote: > On Sat, 28 Nov 2015 21:27:51 -0500 >> Currently, if I save a large json document with top level keys of thousands ** LARGE ** > The default storage for a JSONB field is EXTENDED. Switching it to > EXTERNAL will disable compression. You'll have to insert your data over > again, since this change doesn't alter any existing data, but see > if that change improves performance.
Good recomendation, but see if it improves AND if it affects other queries in the system. Turning off compresion CAN decrease the eficiency ( hit ratio ) of the shared buffers and the cache, IIRC ( but worth testing anyway ). Francisco Olarte. -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
