[Fedora-livecd-list] Kadischi - preload utilities and daemon

J. Hartline jasperhartline at adelphia.net
Sun Mar 19 09:58:28 UTC 2006

Jane Dogalt wrote:

>Have you ever tried making 4 equal partitions on a hard disk (or just 2 small
>ones the same size on the outer and inner cylinders), and done hdparm -t tests
>on them to check read speed?
I haven't but I just did on a HDD, makes no significant difference that 
I can tell.

>The speedup is signifigant, which makes me think it might work on cdroms as
>well.  So if you can get all your files you want preloaded into cache to get
>read in a single big chunk from outer cylinders, maybe...?
>But no, thats definately an optomization to worry about a long time from now.
Yeah. Overall I believe the transition to SquashFS for the rootfs would 
be good for size definitely.
On CD media alone probably speed too, though with DVD media I'm almost 
positive it would be
something outrageous. DVD reads are fast anyways.

Another thing I was seeing a few weeks ago was the optimized cloop 
filesystem used on Librenix, I think it was.
I've been told on some CDs made with Kadischi booting the CD sounds like 
a bag of nails.

J. Hartline

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