=?ISO-8859-1?Q?I=F1igo?= Martinez Lasala <imartinez@xxxxxxxxxxxx> writes: > We have increased shared buffers to 2.5GB (linux kernels allows us reach > this level) and lowered work_mem to 500MB. You are apparently unclear on the concept. Pushing the database to the limit of the available address space is probably going to result in failures. Redistributing a set of overoptimistic parameters into a different set of overoptimistic parameters will not fix this. regards, tom lane -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin