On 28 October 2014 06:26, Huang, Suya <Suya.Huang@xxxxxxxxxxxxxxx> wrote: > Memory wanted: 3565580K bytes This means "increase work_mem to this value". -- Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance