Dave Cramer <davecramer@xxxxxxxxx> writes: > To reduce the request size [FAILently 2232950784 bytes), reduce > PostgreSQL's shared memory usage, This error message is a bit garbled :-(. It would've been useful to know the specific errno, but you've trimmed out that info. Perhaps it's failing because you already have ~10G in shared memory segments? "sudo ipcs -m" might be illuminating. regards, tom lane