On Thu, Dec 23, 1999 at 12:38:42AM +0100, Thomas Klausner wrote:
> Hi!
> 
> I'm currently copying files around on NetBSD-1.4.1/i386, and wondered
> why it takes so long. I have a SCSI-only system (Adaptec 2940UW), and
> in this special case I was copying from one disc with an ext2fs to an
> msdos-system on another disc, and got about 300kb/s. When I started
> another copy parallel from the same ext2fs to a 4.2BSD(ffs) partition,
> both transfer rates got down to about 70kb/s each.


The ext2fs implementation in NetBSD doesn't have good performances on NetBSD
because it doesn't uses clustered read/writes. This requires changes to
vfs_cluster.c to handle block sizes smaller than a page size. It's on my to-do
list but not on the top ...

--
Manuel Bouyer, LIP6, Universite Paris VI.           Manuel.Bouyer@lip6.fr
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