Re: FFSv1 performance on large filesystems

Matthias Scheler <[email protected]> Fri, 4 Mar 2005 20:36:32 +0000

Newsgroups	gmane.os.netbsd.devel.kernel,gmane.os.netbsd.devel.performance
Message-ID	<[email protected]>

On Fri, Mar 04, 2005 at 11:01:58AM +0100, Johan Danielsson wrote:
> >> dd if=/dev/zero of=test.img bs=1024k count=256
> > 256+0 records in
> > 256+0 records out
> > 268435456 bytes transferred in 5.739 secs (46773907 bytes/sec)
> How much memory do you have in this machine?

2GB

> 256MB isn't a very large dataset.

Yes, but the other machine has 1GB, too. So if buffering would affect
this the other machine would achieve the same performance. And 46MB/Sec
reassembles the raw disk performance quite good.

	Kind regards

-- 
Matthias Scheler                                  http://scheler.de/~matthias/