| From: | Hans-Jürgen Schönig <postgres(at)cybertec(dot)at> |
|---|---|
| To: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org, TESTCYCLES=500000(at)cybertec(dot)at |
| Subject: | Re: Script to compute random page cost |
| Date: | 2002-09-11 07:55:48 |
| Message-ID: | 3D7EF704.3000609@cybertec.at |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
AMD Athlon 500
512MB Ram
IBM 120GB IDE
Tested with:
BLCKSZ=8192
TESTCYCLES=500000
Result:
Collecting sizing information ...
Running random access timing test ...
Running sequential access timing test ...
Running null loop timing test ...
random test: 2541
sequential test: 2455
null timing test: 2389
random_page_cost = 2.303030
Hans
--
*Cybertec Geschwinde u Schoenig*
Ludo-Hartmannplatz 1/14, A-1160 Vienna, Austria
Tel: +43/1/913 68 09; +43/664/233 90 75
www.postgresql.at <http://www.postgresql.at>, cluster.postgresql.at
<http://cluster.postgresql.at>, www.cybertec.at
<http://www.cybertec.at>, kernel.cybertec.at <http://kernel.cybertec.at>
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Mark Kirkwood | 2002-09-11 08:04:48 | Re: Script to compute random page cost |
| Previous Message | Dave Page | 2002-09-11 07:20:22 | Re: |