Boot speedup with readahead

Arjan van de Ven arjan at infradead.org
Sun Sep 7 04:21:25 UTC 2008


On Sat, 06 Sep 2008 12:52:56 +0200
Harald Hoyer <harald at redhat.com> wrote:

> Hello fellow Fedora developers,
> 
> recently readahead was modified to adapt to system file changes and
> to start very early in the boot process via upstart.
> 
> I would like to encourage you to test readahead-1.4.5-3.fc10 from
> rawhide (even possible on F9), which I built some minutes ago. It may
> take a day to reach your local mirror.
> 
> # yum --enablerepo=rawhide install readahead
> or
> # yum --enablerepo=rawhide update readahead
> 
> With the next reboot readahead-collector runs and collects the
> information which files are used during the boot process. The next
> reboot then, readahead read ahead those files and the boot process
> (from init start to gdm login screen) should be approx. 10% faster.
> 

for those who are going to the plumbers conference... Auke Kok and I
will present there on how to make a Fedora based system boot in 5
seconds...

and yes a form of readahead was needed to achieve that ;-)


-- 
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