martial.bizel@xxxxxxx writes: > I've error "out of memory" with these traces : Doing what? > AggContext: -1976573952 total in 287 blocks; 25024 free (414 chunks); > -1976598976 used > DynaHashTable: 503439384 total in 70 blocks; 6804760 free (257 chunks); > 496634624 used I'd guess that a HashAgg operation ran out of memory ... regards, tom lane