RE: Tracing sessions

  • From: "Polarski, Bernard" <Bernard.Polarski@xxxxxxxxxxxxxx>
  • To: <oracle-l@xxxxxxxxxxxxx>
  • Date: Mon, 30 Oct 2006 09:10:09 +0100

I did find thing only in 10gR2, it is not in 10.1.0.4.
 
 
bp

  _____  

From: Allen, Brandon [mailto:Brandon.Allen@xxxxxxxxxxx] 
Sent: Friday, 27 October, 2006 11:51 PM
To: Oliver.Jost@xxxxxxxxxxxxxx; oracle-l
Subject: RE: Tracing sessions


The trace dies when the traced session dies.  I've never heard of a
trace being automatically restarted for a new session with the same SID
and serial# as an earlier trace, but I've never tested it and I suppose
it's possible.  On a related note, old trace files will be appended by
later traces/dumps for processes with the same PID.
 
I just found that in 10g, you can identify active traces by checking the
v$session.sql_trace value.  This column didn't exist in earlier
versions, but the information may have been there in one of the x$ table
columns that just wasn't exposed in v$session, or maybe in a different
v$ view, but if so I'm not aware of it.  In 10g, the v$session.sql_trace
value comes from x$ksuse.ksuseflg2, which doesn't exist in 9i.
 
Regards,
Brandon
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