Starting hal daemon incredibly decrease my hard drive performance

[ctwise at bellsouth.net]

On Thu, 2004-11-04 at 19:48 +0100, Sjoerd Simons wrote:
On Thu, Nov 04, 2004 at 01:31:28PM -0500, David Zeuthen wrote:
> > On Thu, 2004-11-04 at 17:46 +0100, Sjoerd Simons wrote:
> > > > It's probably caused by the fact that your cdrom and your harddisk are
> > > > sharing one ide bus. The polling of hdb may affect the hdparm
> > > > measurement. You may try this with the udi for your cdrom:
> > > 
> > > Just talked to someone on IRC with basically the same problem. Turning off
> > > polling on the cdrom drive did indeed fix the problem. 
> > > 
> > > Why do media checks degrade performance so much ?
> > > 
> > 
> > Wait a second - the only thing we know is that polling for media change
> > makes the numbers from hdparm lower - I'm not sure at all that
> > performance is degraded; someone should check with other benchmarks
> > and/or real-world tests.
> 
> I asked him that (as i don't really trust hdparm) and according to him
> realworld performance also degraded.
> 
> He's in the CC, so i guess he should be able to give some numbers :)
> 
>   Sjoerd

The whole system is much more responsible after disabling the media check - is there a particular benchmark you would like me to run?

Ted Wise

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