Re: Warning - running *really* short on DMA buffers while doing file transfers

Matthew Jacob
2002-09-27T07:24:42Z

On Fri, 27 Sep 2002, Jens Axboe wrote:

> On Fri, Sep 27 2002, Matthew Jacob wrote:
> > >
> > > So I think the 'more tags the better!' belief is very much bogus, at
> > > least for the common case.
> >
> > Well, that's one theory.
>
> Numbers talk, theory spinning walks
>
> Both Andrew and I did latency numbers for even small depths of tagging,
> and the result was not pretty. Sure this is just your regular plaino
> SCSI drives, however that's also what I care most about. People with
> big-ass hardware tend to find a way to tweak them as well, I'd like the
> typical systems to run fine out of the box though.
>

Fair enough.