Justin Clift <justin@postgresql.org> writes:
> Personally I'd be a bunch happier if we set the buffers so high that we
> definitely have decent performance, and the people that want to run
> PostgreSQL are forced to make the choice of either:
> 1) Adjust their system settings to allow PostgreSQL to run properly, or
> 2) Manually adjust the PostgreSQL settings to run memory-constrained
> This way, PostgreSQL either runs decently, or they are _aware_ that
> they're limiting it.
Yeah, that is the subtext here. If you can't increase SHMMAX then you
can always trim the postgresql.conf parameters --- but theoretically,
at least, you should then have a clue that you're running a
badly-configured setup ...
regards, tom lane