Ron Johnson wrote: > This is where a multi-threaded pg_tapedump would be more effective, > since it would be able to, for example, have 4 threads reading > (different parts of) the database and writing to 4 separate tape drives. It will be difficult to have a consistent dump though. You can't do that with separate transactions. (And you can't have multiple simultaneous readers without separate transactions.) -- Alvaro Herrera http://www.CommandPrompt.com/ PostgreSQL Replication, Consulting, Custom Development, 24x7 support