Re: problems with I/O performance with 2.4.12-ac3

safemode
2001-10-19T13:27:22Z

On Friday 19 October 2001 10:30, Andrei Lahun wrote:
> hello.
>
> I did a bonnie++ tests with 2.4.13-pre3(+aa vm)
> and 2.4.12-ac3(+Rick patch).
> And i found that ac kernel have a big problems here.
> With linux kernel i got 22 Mb/c for read 19 for write and
> with ac 12 for read and 11 for write (both with ext2)
> If i used ext3 with ac kernel results little bit better.
> What is the reason for such regression in ac kernel ?
> And yes of course i had udma for both test.
>
> Andrei.

You should give ide and drive chipset info. This is not a problem seen by
everyone using the ac3 kernel. Mine for instance run just fine. What
settings did you use with bonnie++? all of this is required info if someone
wanted to look and see why you are getting those numbers.