processes not getting fair share of available disk I/O (was:
Re: TCP parameters and interpreting tcpdump output )
Kris Kennaway
kris at obsecurity.org
Wed Nov 22 23:52:45 PST 2006
On Wed, Nov 22, 2006 at 11:29:16PM +0000, Dieter wrote:
> > > hw.ata.wc=3D0
> > ^^^^^^^^^^^
> > "Make my hard drive go reeeeally slow please (just in case I crash)" :)
>
> Slower, yes, but not *that* slow.
>
> Normal ls : 0.032 second. Two processes using same disk, multiply by two,
> so 0.064 second. Maybe the multiplier is more than 2, call it 10x, so
> 0.32 second. But I'm seeing a factor of over 9100x.
Humour me and turn it back on, then see what happens.
Kris
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