Starting hal daemon incredibly decrease my hard drive performance

[David Zeuthen]

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.

Cheers,
David


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