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Re: In search of help with Performance Monitoring

From: Holger Baer <holger.baer_at_science-computing.de>
Date: Tue, 07 Dec 2004 10:30:36 +0100
Message-ID: <cp3t7t$caf$1@news.BelWue.DE>


PJ wrote:
> I am searching for help in monitoring our database. We have been
> running several extract programs w/out problems over the past 6 months.
> Within the last month the times jumped from 10 minutes to close to 2
> hours. As a band-aid we run a quick analyze twice a day on the main
> tables in the query and the programs take 10 minutes.
>
> I am not DBA (application developer) but I don't believe that this
> should be the case. The tables change less than 1% on a daily basis.
> Granted 2 of the tables are big (17 Million rows) I don't understand
> what could be causing this.
>
> Using DBA studio I can see that it reaches the last blocks and then
> just takes forever to complete. Our DBAs needless to say have been
> absolutely worthless on this issue as w/ most of our issues.
>
> Are there queries I can run or things I can check using TOAD to see
> where the bottlenecks might be?
> The database is 8i and the programs run in CHOOSE mode.
>

3 suggestions:

1.) Learn about statspack
2.) Learn about the Oracle wait interface (enabling sql_trace and tkprof)
3.) Learn to work together with your DBAs because if you don't have
     access to the server you'll need them at some stage

Regards
Holger Received on Tue Dec 07 2004 - 03:30:36 CST

Original text of this message

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