Re: A Tale of Two SQLs
- From: Tim Gorman <tim@xxxxxxxxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Mon, 03 May 2004 14:37:59 -0600
Dan,
I think that you've hit upon the only possible explanation, especially
regarding your comment that "eventually it will get a 1555 error". The
flip-side of ORA-01555 is more work spent rebuilding a consistent read...
Hope that the support folks return the right answer... :-)
-Tim
on 5/3/04 2:05 PM, Daniel Fink at Daniel.Fink@xxxxxxx wrote:
> It was the best of sql executions; it was the worst of sql
> executions.
>
> We have a process that periodically slows down. So far, we have
> not been able to pinpoint a root cause, but we continue to
> pester the development/application support folks for more info.
> I apologize for the limited information, but I'm hoping that we
> are aiming in the right direction.
>
> We are smart enough that we captured a 10046 trace during a good
> execution as a baseline. I have tagged the lines from this trace
> file as (good). This morning, the query began slowing down
> (eventually it will get a 1555 error). We turned on tracing and
> those lines are tagged as (bad).
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