I will be always reading/writing the whole array. The table is about 40GB. It replaces two tables, parent and child, using about 160 GB together. -- View this message in context: http://postgresql.1045698.n5.nabble.com/Is-it-reasonable-to-store-double-arrays-of-30K-elements-tp5790562p5790570.html Sent from the PostgreSQL - general mailing list archive at Nabble.com. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general