Reuven M. Lerner wrote: > 1.1 1,000 records > ================== > > Delete Dump > ---------------+---------+-------- > Empty content 0.172s 0.057s > bytea 0.488s 0.066s > large object 30.833s 9.275s How much bytea are you dumping for it to take only 0.066s? The fact that it takes about the same time than dumping the "empty content" looks very suspicious. On my desktop machine, if I create a table with 1000 blobs containing strings of 5 million 'x', which is what I understood you basically did (perhaps I misunderstood?), then it takes about 200s to dump it with pg_dump -Fc Best regards, -- Daniel PostgreSQL-powered mail user agent and storage: http://www.manitou-mail.org -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general