Jim Nasby <decibel(at)decibel(dot)org> writes:
> So what happens if a backend is running with full_page_writes = off,
> someone edits postgresql.conf to turns it on and forgets to reload/
> restart, and then we crash? You'll come up in recovery mode thinking
> that f_p_w was turned on, when in fact it wasn't.
One of the advantages of the proposed patch is that it avoids having to
make any assumptions like that.
regards, tom lane