That is if the Vendor knows - mine for example did not ......

:-o


-----Original Message-----
From: owner-informix-list@iiug.org [mailtowner-informix-list@iiug.org]
On Behalf Of scottishpoet
Sent: 26 September 2005 05:22 PM
To: informix-list@iiug.org
Subject: Re: IDS 10 erratic run times and slow ontape

if it only occurs with KIO turned on, you may want to discussed KIO
issues with OS vendor


Neil Truby wrote:
> "Neil Truby" <neil.truby@ardenta.com> wrote in message
> news:3polnvFbicgoU1@individual.net...
> > "Neil Truby" <neil.truby@ardenta.com> wrote in message
> > news:3pliprFb403pU1@individual.net...
> >> IDS 10.0FC3 on Solaris 2.9
> >
> > I conclude that our problem is with kaio and v10 at our
installation.
>
> IBM case 439918 refers. We have been sent some tuning suggestions for
the
> actual test. I am a little wary of this since the problem is not
really
> that the test (CREATE CLUSTER INDEX) runs slowly all the time, but
that it
> is sporadically slow with kaio enabled *only*. But more testing and
more
> information certainly can't hurt ...
>
> In the meantime we've disabled kaio on the databse servers and
discovered
> another problem. With kaio disabled the backups are perhaps 75%
longer (35
> minutes instead of 20), but the *restore* runs 40 times more slowly
(444
> pages/second without kaio ; 10093 with kaio, that is 7.5 hours vs 20
mins
> for the restore). A separate case, 439945, refers here.
sending to informix-list