Further testing shows it is windows networking causing the issue. Copying files to and from the server is 5 to 6 times slower on a Windows client compared to the Linux client. The issue is not specific to libpq. -- Rob -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general