Re: Overhauling GUCS

Gregory Stark <stark@enterprisedb.com> writes:
> "Tom Lane" <tgl@sss.pgh.pa.us> writes:
>> I agree with that for pg_clog and friends, but I'm much more leery of
>> folding WAL into the same framework.

> Well it may still be worthwhile stealing buffers from shared_buffers even if
> we set a special flag marking them as owned by WAL and out of bounds for
> the normal buffer manager.

> At least that way we could always steal more if we want or return some, as
> long as we're careful about when we do it.

... and as long as you can acquire the WAL per-buffer management space out
of nowhere ...
        regards, tom lane