non-representative DB benchmark

[Bob Friesenhahn]

On Sun, 7 Sep 2003, Matthias Andree wrote:
>
> #1. all benchmarks single run with warm cache
>
> ** BerkeleyDB 4.0.14:
>
> * score:
> 13.80user 0.14system 0:14.13elapsed 98%CPU (0avgtext+0avgdata 0maxresident)k
> 0inputs+0outputs (1215major+314minor)pagefaults 0swaps
>
> ** QDBM 1.6.15:

> * score:
> 11.00user 5.65system 0:16.87elapsed 98%CPU (0avgtext+0avgdata 0maxresident)k
> 0inputs+0outputs (419major+306minor)pagefaults 0swaps

Why did BerkeleyDB experience 1215 major pagefaults, whereas QDBM
experienced only 419 major pagefaults?  With a "warm cache" and
sufficient RAM, major pagefaults should be close to zero.

Bob
======================================
Bob Friesenhahn
bfriesen at simple.dallas.tx.us
http://www.simplesystems.org/users/bfriesen