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Date:      Wed, 22 Nov 2006 23:29:16 +0000
From:      Dieter <freebsd@sopwith.solgatos.com>
To:        freebsd-questions@freebsd.org
Subject:   Re: processes not getting fair share of available disk I/O (was: Re: TCP parameters and interpreting tcpdump output ) 
Message-ID:  <200611230729.HAA05509@sopwith.solgatos.com>
In-Reply-To: Your message of "Thu, 23 Nov 2006 01:09:31 EST." <20061123060929.GA49798@xor.obsecurity.org> 

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> > 	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.



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