Re: ERROR: Out of memory - when connecting to database

Jakub Ouhrabka <kuba@comgate.cz> writes:
> Could it be that the failed connections were issued by autovacuum?

They clearly were: notice the reference to "Autovacuum context" in the
memory map.  I think you are right to suspect that auto-analyze was
getting blown out by the wide bytea columns.  Did you have any
expression indexes involving those columns?

            regards, tom lane