Re: file write performance drop between 2.5.60 and 2.5.70

[Mike Fedyk]

On Wed, Jun 04, 2003 at 08:02:39PM +0200, Felipe Alfaro Solana wrote:
> On Wed, 2003-06-04 at 18:17, Vladimir Saveliev wrote:
> > Hi
> > 
> > It looks like file write performance dropped somewhere between 2.5.60 and 
> > 2.5.70.
> > Doing
> > time dd if=/dev/zero of=file bs=4096 count=60000
> > 
> > on a box with Xeon(TM) CPU 2.40GHz and 1gb of RAM
> > I get for ext2
> > 2.5.60: 	real	1.42 sys 0.77
> > 2.5.70: 	real 1.73 sys 1.23
> > for reiserfs
> > 2.5.60: 	real 1.62 sys 1.56
> > 2.5.70: 	real 1.90 sys 1.86
> > 
> > Any ideas of what could cause this drop?
> 
> What filesystem are you using?

Good one.

ext2 and reiserfs.

Read the origional message again.