Klint Gore <kgore4@xxxxxxxxxx> writes: > Tom Lane wrote: >> Maybe it's >> dying here after having leaked a lot of memory for some other reason >> --- try watching the pg_dump process size while it runs. > Peak memory usage was about 540m which brought the total usage for the > machine to about half the physical memory allocated (3g total). Well, that might well explain the failure. pg_dump does suck a lot of schema information into memory at startup, but 540m seems excessive. Maybe you've found a memory leak in pg_dump (it wouldn't be the first one). Does this database have a particularly large number of objects? regards, tom lane