On Monday 18 November 2002 02:28 am, Olaf Meeuwissen wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Dear .debs, > > I'm a minimalist and rolled my own kernel. It was absolutely bare > bones and that had a noticable effect on hard disk performance. So I > tinkered around a bit with kernel options and tested performance with > hdparm -tT. Now I'd like to know what all those numbers mean and if > they are reasonable (for my Dynabook SS S4/275PNHW). > > I've repeated all tests five times and dropped outliers. With my > initial kernel I get > > ~110 MB/sec for buffer-cache reads > ~ 2 MB/sec for buffered disk reads > > After tinkering I get > > ~ 55 MB/sec for buffer-cache reads > ~ 14 MB/sec for buffered disk reads > > Question 1: Which of the two is "better" and why? > Question 2: Can I do better than this?
Maybe. What does "hdparm /dev/hda" return ? - Derek
