Re: Sampling V$SESSTAT

"MacGregor, Ian A." wrote:
>
> I want to start sampling this table, however collecting data on the 200+ statistics for each session would produce a prohibitively large result. I'm trying to pare the 225 statistics to something more reasonable, but I cannot decide which ones to discard and which to record.
>
> Does anyone have a listing of the most useful statistics that they would like to share?
>
> Ian MacGregor
> Stanford Linear Accelerator Center
> ian_at_SLAC.Stanford.edu

Out of the top of my head :
db block gets
consistent gets (both summed up to get the logical gets) CPU used by this session
memory sorts
disk sorts

I guess that this and session events should give a reasonably fair idea of who are the big users.

-- 
Regards,

Stephane Faroult
Oriole Software
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Please see the official ORACLE-L FAQ: http://www.orafaq.com
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Author: Stephane Faroult
  INET: sfaroult_at_oriole.com

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