Re: any possible replacement view for v$system_event/x$kslei

  • From: "Zhu,Chao" <zhuchao@xxxxxxxxx>
  • To: "Finn Jorgensen" <finn.oracledba@xxxxxxxxx>
  • Date: Sat, 2 Feb 2008 18:23:16 +0800

ye's, now major of our database is running 10g.
But to get the maximum capacity, we turned off all oracle automatic
tuning/monitoring feature (statistics-level = basic) so ash is not avalible
for us either.

On Feb 1, 2008 11:26 PM, Finn Jorgensen <finn.oracledba@xxxxxxxxx> wrote:

> If you're in 10g, could you use the ASH data for this troubleshooting? I
> can't remember the exact frequency, but it's very frequent as well and
> stored at this raw level for an hour. Then rolled up and stored for 7 days.
>
> Thanks,
> Finn
>
>
> On 2/1/08, Zhu,Chao <zhuchao@xxxxxxxxx> wrote:
> >
> > hi, all
> >    We have a homegrown script that pulls different views to log many
> > different system level statistics for troubleshooting, and one of the view
> > we query is v$system_event/x$kslei. As we does the pull of data every 10
> > seconds, it is very CPU consuming.  The target of querying the view, is to
> > give a break down of system wide wait events in the past 10 seconds (that
> > is, say, db-file-sequential-wait, 1000ms, 30%,, enqueue, 300ms, 20%...)
> >   Is there any possible replacement for this view? We want to reduce the
> > CPU usage of this script;
> >
> > --
> > Regards
> > Zhu Chao
> > www.cnoug.org
> >
>
>


-- 
Regards
Zhu Chao
www.cnoug.org

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