bock@openit.de writes:
> When creating an index on an inet column the postmaster process tries to
> allocate much more memory than it should in version 9.1.2.
Yeah, a memory leak was accidentally introduced into inet/cidr index
operations in 9.1.2. It will be fixed in 9.1.3, or if you're in a hurry
the patch is here:
http://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=6cf639dfbddbc44d027730ad1504886312bc905a
regards, tom lane