Re: SQL*Net message from client - But very high CPU

  • From: "Bradd Piontek" <piontekdd@xxxxxxxxx>
  • To: ajayoraclel@xxxxxxxxx
  • Date: Fri, 8 Aug 2008 20:57:57 -0500

Looks like you are peforming a full table scan of a rather large table.
67,207,044 rows. I'd start looking there.

Bradd Piontek
Oracle Blog: http://piontekdd.blogspot.com
Linked In: http://www.linkedin.com/in/piontekdd


On Fri, Aug 8, 2008 at 8:36 PM, Ajay Thotangare <ajayoraclel@xxxxxxxxx>wrote:

> Hi List,
> I need help in solving performance problem of a query. My database is
> 10.2.0.3 on HP-UX Itanium.
> I traced the session during the run and noticed the session is using very
> high CPU but the wait event in v$session shows "SQL*Net message from
> client".
> In top(UNIX command) this session is the top most. Not able to interpret
> whats happening.
> Below is the trace details
> call     count       cpu    elapsed       disk      query    current
> rows
> ------- ------  -------- ---------- ---------- ---------- ----------
> ----------
> Parse        1      0.00       0.00          0          0
> 0           0
> Execute  13266     25.92      28.85          0          0
> 0           0
> Fetch    13267   1768.47    1875.36         47   67207044          0
> 23592
> ------- ------  -------- ---------- ---------- ---------- ----------
> ----------
> total    26534   1794.39    1904.21         47   67207044          0
> 23592
> Misses in library cache during parse: 0
> Optimizer mode: ALL_ROWS
> Parsing user id: 998
> Noticed fetch is using 1768.47 CPU of the elapsed time 1875.36.
> Any help appreciated.
> --regards,
> Ajay
>
>

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