> This sounds like it has more to do with inadequate freespace map > settings than use of arrays. Every update creates a dead tuple, and > if > it is large (because the array is large) and leaked (because you have > no > room in your freespace map), that would explain a rapidly increasing > database size. Can you tell me more about free-space map settings? What exactly is the free-space map? The information in the documentation is not very helpful. How can dead tuples leak? Regards, Marc Philipp