On Thu, Mar 8, 2012 at 2:01 PM, Andy Colson <andy@xxxxxxxxxxxxxxx> wrote: > I know toast compresses, but I believe its only one row. page level would > compress better because there is more data, and it would also decrease the > amount of IO, so it might speed up disk access. er, but when data is toasted it's spanning pages. page level compression is a super complicated problem. something that is maybe more attainable on the compression side of things is a userland api for compression -- like pgcrypto is for encryption. even if it didn't make it into core, it could live on reasonably as a pgfoundry project. merlin -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general