Re: Great Bridge benchmark results for Postgres, 4 others

On Mon, 14 Aug 2000, Ned Lilly wrote:

> Bryan, see my earlier post re: ODBC... will try and answer your other questions
> here...
>
> > 2) Postgres has the 'vacuum' process which is typically run nightly which if
> > not accounted for in the benchmark would give Postgres an artificial edge.
> > I don't know how you would account for it but in fairness I think it should
> > be acknowledged.  Do the other big databases have similar maintenance
> > issues?
>
> Don't know how this would affect the results directly.  The benchmark app builds
> the database clean each time, and takes about 18 hours to run for the full 100
> users (for each product).  So each database created was coming in with a clean
> slate, with no issues of unclaimed space or what have you...

Does a vacuum analyze not get run at all? Could this affect performance or
is it that not relevant in these benchmarks?



Regards,
Andrew