[rescue] can you explain these SCSI numbers?

Patrick Giagnocavo +1.717.201.3366 patrick at zill.net
Tue Apr 8 00:18:18 CDT 2003


On Tue, Apr 08, 2003 at 05:25:56AM +0000, Kris Kirby wrote:
> On Mon, 7 Apr 2003, Patrick Giagnocavo +1.717.201.3366 wrote:
> > Why does the SS5 beat the SS10?
> 
> > cache issues.  Platform was OpenBSD, which uses just 5% of RAM as
> > buffer for the filesystem.
> 
> The SS5 beats the SS10 because it has more RAM. And OBSD is not flushing
> out dirty pages, thus recently requested information is still in RAM.

Uh, no, the SS10 has 192MB, the SS5 has 32MB.
 
> Time to use a disk-level benchmark -- not OS....

I did use a 200MB filesize on the test benchmark to ensure that
caching would be less likely to influence results.

Cordially
-- 
+--------------------------------------------------+
| Patrick Giagnocavo, patrick at zill.net             |
| Zill.Net - OpenACS, Postgres, Python hosting     |
| OpenACS v4 shared server       $19.95/month      |
| Colocation w/30GB transfer     $99.00/month      |
| Managed servers (incl. system) $175/month        |
+--------------------------------------------------+


More information about the rescue mailing list