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Re: AQ

From: Tanel Poder <tanel.poder.003_at_mail.ee>
Date: Tue, 20 Jan 2004 12:04:34 -0800
Message-ID: <F001.005DDABE.20040120120434@fatcity.com>


Hi!

I think what Kirti meant here, is that from only database's point of view (scope), the "SQL*Net message from client" waits do not indicate any database bottlenecks.

Anyway, when you have network bottleneck, from my experience you usually see other SQL*Net message waits, like "more data to/from client" etc as well.

Tanel.

> However...
>
> do not blindly treat SQL*Net messages as Idle waits. They can be
> important indicators of networking issues.
>
> Stephen
>
> >>> kirtikumar_deshpande_at_yahoo.com 01/20/04 08:24AM >>>
> It is defined as below in the Reference Guide:
>
> "The session is waiting on an empty OLTP queue (Advanced Queuing) for a
> message to arrive so that
> the session can dequeue that message."
>
>
> I would treat it as an Idle Wait, similar to, SQL*Net message from
> client.
>
> - Kirti
>
> --- "Ehresmann, David" <David.Ehresmann_at_ps.net> wrote:
> >
> > Is "queue message" an idle or an non-idle wait event? I have looked
> through
> > the docs at tahti and metalink and can't find much info on AQ. Does
> anybody
> > know where there are resources on this topic?
> >
> > thanks,
> >
> > David Ehresmann
> >
> > --
> >
>
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> Author: Kirtikumar Deshpande
> INET: kirtikumar_deshpande_at_yahoo.com
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Tanel Poder
  INET: tanel.poder.003_at_mail.ee

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Received on Tue Jan 20 2004 - 14:04:34 CST

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