Re: Where are my trace files going?

There are two possibilities:
1) You are hitting a well known bug which doesn't allow you to turn

   on 10046 by using set_ev or alter session. The only way to actually do    it is to use oradebug.
2) Your trace files are with Saddam Hussein.

On 12/01/2003 05:04:25 PM, Thomas A. La Porte wrote:
> Environment: Oracle 8.1.7.4 on RedHat AS2.1
>
>
> I'm in the process of preparing to convert a 90M row table from
> heap-organized to index organized. I think I've pretty well got a
> formula for doing the actual table conversion. It's a very basic
> table, four NUMBER columns, with a PK on the first two. I'm
> planning to extract the data to a sorted, comma-delimited flat
> file, then using SQL Loader with direct path to do the import.
> On a 2.8GHz 2-way Linux box, that process is taking me about 30
> minutes.
>
> Building two additional indexes on that table after the data has
> been loaded is taking anywhere from 30 minutes up to three hours.
> I'm trying to determine why there is a wide variation in the
> performance of the index build operation by tracing the session,
> however, I can't seem to generate a trace file! I can run the
> 'alter session' to get a 100046 trace, but no file is created in
> my user_dump_dest (nor, for that matter, is it being created in
> my background_dump_dest, core_dump_dest, or any place else on the
> local machine as best as I can tell).
>
> I've run these traces before in other instances on the same
> machine, and I don't believe that there is a file ownership or
> permissions problem anywhere in the mix. Does anyone have any
> thoughts on where my trace file is going, if it is going
> anywhere? Or how to determine why I'm not generating a trace
> file?
>
> Any thoughts or pointers are greatly appreciated.
>
> -- Tom
>
> Thomas A. La Porte, DreamWorks SKG
> <mailto:tlaporte_at_anim.dreamworks.com>
>
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.net
> --
> Author: Thomas A. La Porte
> INET: tlaporte_at_anim.dreamworks.com
>
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Mladen Gogala
Oracle DBA

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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Mladen Gogala
  INET: mladen_at_wangtrading.com

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