On Thu, Nov 18, 2004 at 02:33:53AM +0100, Ziga Mahkovec wrote: > On Wed, 2004-11-17 at 21:28 +0100, Arjan van de Ven wrote: > > another interesting test might be the following: > > disable readahead (both services), store the attached file as /tmp/files > > and put the following near the top of /etc/rc.sysinit: > > /usr/sbin/readahead `/bin/cat /tmp/files` > > There's a 20 MB load of files in your readahead list and they are being > read for 15 seconds. I guess a 26.60 MB/sec 'hdparm -t' suggests room > for improvement? Note that this is on a 4200 RPM drive. hmm yeah there ought to be room; I'll need to think about how to use that though. One question: was the drive (light) mostly quiet when readahead was finished ?
