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Re: Query deteriorates over time and finally crashed.

From: Nigel Rudgyard <nigel_at_rudgyard.demon.co.uk.nospam>
Date: 1998/02/23
Message-ID: <888259146.8751.0.nnrp-02.c1ed0cd9@news.demon.co.uk>#1/1

Could you please post the offending SQL query, it seems the logical place to start.

Mike Welborn wrote in message <34EF89F9.E91390A3_at_amnetwork.com>...
>We are using a third party Forms 4.5 application which qeries an Oracle
>7.3.2.3.1 database on a DELL Poweredge NT server with duplexed 4GIG
>drives and 128 MB RAM. After a fresh installation of Oracle and an empty
>database structure import, we can perform searches with great speed. As
>we continue to test the system with the same search string and others,
>the system gradually slows down and finally the search is never
>completed. We have to stop the Oracle process or reboot to get the
>server to stop thrashing the hard drives. We also notine that when we
>run the Oracle Performance Monitor at the same time, the %Cache Buffer
>Hit "pie chart" turns completely red during the time that the search
>goes off into the sunset. When we reboot the system, the same search
>will immediately send the server off again and the only way to get the
>response time back is to reinstall Oracle and reimport an empty
>database.
>
>The NT performance monitor and resource guide utilities indicate that we
>are not taxing the hardware at all. The disk throughput falls off and
>the I/O even flattens out like the application is searching for an
>imaginary string.
>
>Any ideas on how to proceed???
>
>Are there any documented suggestion on settig up NT register settings to
>help Orale run in an optimum environment?
>
>Thanks..............Mike W.
>
>
Received on Mon Feb 23 1998 - 00:00:00 CST

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