Re: file write performance drop between 2.5.60 and 2.5.70

From: Felipe Alfaro Solana (felipe_alfaro@linuxmail.org)
Date: Wed Jun 04 2003 - 13:02:39 EST


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?

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Sat Jun 07 2003 - 22:00:24 EST