Re: file write performance drop between 2.5.60 and 2.5.70

Felipe Alfaro Solana
2003-06-04T17:49:19Z

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?