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Re: What do you make of this?

From: Paul Baumgartel <paul.baumgartel_at_gmail.com>
Date: Fri, 9 Sep 2005 12:51:46 -0400
Message-ID: <f8c477105090909511299ac51@mail.gmail.com>


No, but I wouldn't think that would affect parse elapsed time.

On 9/9/05, Deepak Sharma <sharmakdeep_oracle_at_yahoo.com> wrote:
>
> Any index on lastaccess ?
>
> --- Ravi_Kulkarni_at_Dell.com wrote:
>
> > Paul,
> >
> > Can you confirm any (before-update) triggers on
> > VALIDKEYS ?
> > What are the cursors that the raw trace file show
> > (with dep > 0) ?
> >
> > Thanks,
> > Ravi.
> >
> > ________________________________
> >
> > From: oracle-l-bounce_at_freelists.org
> > [mailto:oracle-l-bounce_at_freelists.org] On Behalf Of
> > Paul Baumgartel
> > Sent: Friday, September 09, 2005 11:18 AM
> > To: oracle-l_at_freelists.org
> > Subject: What do you make of this?
> >
> >
> > Hi, all. Oracle10g (10.1.0.4.0) on Windows 2000.
> >
> > I have a set of traces that are puzzling. I had the
> > traces done in
> > controlled conditions, with a single user on the
> > database; CPU usage on
> > the DB server was less than 25%. This statement is
> > a good example of
> > what I'm trying to figure out. There's a high ratio
> > of elapsed to CPU
> > on the parse, but not much in the way of wait
> > information--except the
> > SQL*Net message from client. The client is a COM+
> > application server.
> > No recent changes that I know of on that machine,
> > nor on the DB server
> > itself. I have inspected the raw trace file as well
> > and don't see
> > anything to suggest that the tkprof timing summaries
> > are incorrect.
> >
> > II'm looking for ideas on how to go about diagnosing
> > the SQL*Net waits
> > (assuming they're accounting for the different
> > between CPU and elapsed)
> > or finding where the rest of the elapsed time comes
> > from. Thanks in
> > advance for any suggestions!
> >
> > UPDATE VALIDKEYS SET LASTACCESS = :V00001
> > WHERE
> > VALIDKEYS_PK = :V00002
> >
> >
> > call count cpu elapsed disk
> > query current
> > rows
> > ------- ------ -------- ---------- ----------
> > ---------- ----------
> > ----------
> > Parse 198 0.46 2.72 0
> > 0 0
> > 0
> > Execute 99 0.12 0.49 0
> > 297 396
> > 99
> > Fetch 0 0.00 0.00 0
> > 0 0
> > 0
> > ------- ------ -------- ---------- ----------
> > ---------- ----------
> > ----------
> > total 297 0.59 3.22 0
> > 297 396
> > 99
> >
> > Misses in library cache during parse: 0
> > Optimizer mode: ALL_ROWS
> > Parsing user id: 12492
> >
> > Elapsed times include waiting on following events:
> > Event waited on Times
> > Max. Wait Total
> > Waited
> > ---------------------------------------- Waited
> > ----------
> > ------------
> > SQL*Net message to client 381
> > 0.00
> > 0.00
> > SQL*Net message from client 381
> > 0.01
> > 0.51
> > log file sync 1
> > 0.00
> > 0.00
> >
> ************************************************************************
> > ********
> >
> > --
> > Paul Baumgartel
> > paul.baumgartel_at_aya.yale.edu
> >
> >
> >
>
>
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-- 
Paul Baumgartel
paul.baumgartel_at_aya.yale.edu

--
http://www.freelists.org/webpage/oracle-l
Received on Fri Sep 09 2005 - 11:53:51 CDT

Original text of this message

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