On Thu, Apr 21, 2011 at 2:48 PM, Stephen Frost <sfrost(at)snowman(dot)net> wrote:
>
> There's probably something else that's trying to grab all the memory and
> then tries to use it and PG ends up getting nailed because the kernel
> over-attributes memory to it. You should be looking for that other
> process..
Not only that, you probably should set up your oom killer not to kill
postmaster. Ever.