Re: [Fwd: FIO suggestion]

From: Zhang, Yanmin <yanmin_zhang_at_linux.intel.com>
Date: Mon, 04 Feb 2008 17:20:20 +0800

On Mon, 2008-02-04 at 09:24 +0100, Jens Axboe wrote:
> On Mon, Feb 04 2008, Zhang, Yanmin wrote:
> > iodepth will be set to 1 if the io enginee is SYNC, as well as
> > iodepth_batch.
> >
> > Is it possible to use different values although it's SYNC? I mean, the
> > core could call writev/readv, so iodepth means the vector number in
> > writev/readv.
>
> OK, so for sequential IO, piece them together in an iovec and use readv
> or writev when we see a non-sequential bit?
Yes.

> It's definitely possible,
> though I don't know if I'd call that queuing.
>
> I'll give it a go!
Thanks a lot!
Received on Mon Feb 04 2008 - 10:20:20 CET

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