On Mon, 2002-09-09 at 07:13, Bruce Momjian wrote:
>
> OK, turns out that the loop for sequential scan ran fewer times and was
> skewing the numbers. I have a new version at:
>
> ftp://candle.pha.pa.us/pub/postgresql/randcost
>
> I get _much_ lower numbers now for random_page_cost.
>
> ---------------------------------------------------------------------------
Five successive runs:
random_page_cost = 0.947368
random_page_cost = 0.894737
random_page_cost = 0.947368
random_page_cost = 0.894737
random_page_cost = 0.894737
linux 2.4.18 SMP
dual Athlon MP 1900+
512Mb RAM
SCSI
--
Oliver Elphick Oliver.Elphick@lfix.co.uk
Isle of Wight, UK
http://www.lfix.co.uk/oliver
GPG: 1024D/3E1D0C1C: CA12 09E0 E8D5 8870 5839 932A 614D 4C34 3E1D 0C1C
======================================== "Submit yourselves therefore to God. Resist the devil, and he will flee
fromyou." James 4:7
