Tom Lane wrote:
> Still to be determined: what we lose in extra I/O from the presumably
> less efficient cache management; also what sort of slowdown occurs on
> a single-CPU machine that isn't going to get any benefit from the
> increased amount of lock management. But it looks promising.
Yea, that was one of my questions --- the new buffer locking helps SMP,
but how much does it hurt single-cpu machines? Do we need autodetection
or a GUC to control SMP-beneficial locking?
-- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610)
359-1001+ If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square,
Pennsylvania19073