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Re: Oracle Performance Tuning steps

From: Don Granaman <granaman_at_cox.net>
Date: Wed, 26 Jun 2002 02:58:31 -0800
Message-ID: <F001.004882FD.20020626025831@fatcity.com>


Two words: "wait events"

I'll forward, in private mail, a posting I made here on April 21, 2002 with some pointers to sites...
(The subject line was "Re: ioug-a question")

Don Granaman
[certifiable OraSaurus]

>
> Hi guys ,
>
> Need some help. Actually we are looking here at a Oracle 8.1.7 db on
HP-UNIX. The application was running fine uptil yesterday. Suddenly a part of the appln is running extremely slow. I can not figure what might be the problem. Wanted to track this down asap.
>
> Here is some information about the db.
>
> Database size - 20GB
>
> Optimizer - CHOOSE
>
> Disk Structure - RAID 1+0
>
> No. of processors - 4
>
> Block Size - 8K
>
> Archivelog mode : ARCHIVELOG
>
> Please tell me what should be the ideal way I should try to trace the
problem. I thought of running UTLBSTAT/UTLESTAT or STATSPACK and asked the user to run that part of the appln. Has anybody worked with STATSPACK before ?
>
> Can anybody tell me what should accurate and fastest way to hunt down the
problem ? I think its something to do with indexes or changes in the queries.
>
> Also can someone tell me the ideal backup strategy for this database
considering the fact that it's a 24x7 system.
>
> Thanks in advance .
>
> Chetan Chindarkar
>
>
>
> ---------------------------------
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Author: Don Granaman
  INET: granaman_at_cox.net

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Received on Wed Jun 26 2002 - 05:58:31 CDT

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