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RE: interpret v$mts

From: Mercadante, Thomas F <thomas.mercadante_at_labor.state.ny.us>
Date: Wed, 2 Jun 2004 13:08:38 -0400
Message-ID: <DE8A21F8F1D0254EA4A9214D52AB2FEDAD5BE7@exchsen0a1ma>


Barb,

What happens if you allow those 1000 dedicated connections to the database? Does performance suffer?

Sure, it's not right. But what is the cost of running the system as delivered? Additional SGA?

Tom Mercadante
Oracle Certified Professional

-----Original Message-----
From: Barbara Baker [mailto:barbarabbaker_at_yahoo.com] Sent: Wednesday, June 02, 2004 11:56 AM
To: oracle-l_at_freelists.org
Subject: RE: interpret v$mts

Tom wrote:
all of the application software vendors
> now provide connection

Well, not our vendor.
They wrote this thing so that each user has between 6 and 10 connections each to the database. So I'm supporting 1000 db user connections for a system designed to support about 100 users.

I don't see a way to support this without MTS.

I'm still trying to understand the spike -- an add'l 33 servers started in 30 minutes. I assume that we had a flood of connections to the database in a very short period of time. I thought I could grab some info by setting auditing (audit create session by access whenever successful). But apparently mts shows a new session in audit each time it connects to a shared server to run something. Within 1 hour, I showed a user connected 314 times. Thought I was onto something, but it's just bad data.

I've opened 2 tars with oracle about the performance problems, sent RDA's, statspack, config info, etc. etc. I'm pretty much back at square one.

Thanks for listening to me whine.

Barb


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Received on Wed Jun 02 2004 - 12:05:36 CDT

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