2010/12/6 pasman pasmański <pasma...@gmail.com>: > hello. > > i tested how are distributed values xmin,xmax on pages. > in my tables . typically there are no more than 80 records > on pages. > > maybe its possible to compress xmin & xmax values to > 1 byte/per record (+table of transactions per page)? > its reduce the space when more than 1 record is > from the same transaction.
Not a bad idea, but not easy to implement, I think. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
