RE: Capacity Planner from OEM VS Statspack
- From: "Jamadagni, Rajendra" <Rajendra.Jamadagni@xxxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Mon, 2 Feb 2004 10:08:33 -0500
Well I don't agree completely. Statspack has its own place and 10046 =
trace has its own. Statspack is supposed to give you a SNAPSHOT (or =
should we call it materialized view now ...?) of the system for a given =
time duration. Granted it is an overall picture but it will identify =
issues SYSTEMWIDE. It helps you concentrate in possible problem areas.
The 10046 trace OTOH is process (session) specific. It will allow you to =
identify issues within that specific process that you are tracing.=20
Statspack =3D> MACRO Level =3D> System Level
10046 =3D> Micro Level =3D> session level
My 0.15 cents.
Raj
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Rajendra dot Jamadagni at nospamespn dot com
All Views expressed in this email are strictly personal.
QOTD: Any clod can have facts, having an opinion is an art !
-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx]On Behalf Of Freeman, Donald
Sent: Monday, February 02, 2004 9:32 AM
To: oracle-l@xxxxxxxxxxxxx
Subject: RE: Capacity Planner from OEM VS Statspack
I'm a relatively new DBA but I have 30 years electronic engineering =3D
experience. I'm used to tools that work and actually measure what they =
=3D
purport to. I got all excited about the capacity planner about 6 months =
=3D
ago and asked the same questions you are asking now. Mostly, nobody is =
=3D
using it. It becomes a headache itself, the agent fails and causes you =
=3D
grief. I don't think you'll find much usefulness in it. When you start =
=3D
troubleshooting it won't give you anything helpful.=3D20
After reading Carey Milsaps Optimizing Oracle Performance I am less than =
=3D
thrilled with statspack also. You can't solve (or even determine) a =3D
particular problems origin while looking at aggregate values.
The main value of these things is to provide a comfort level and =3D
distraction to management. Attach your statspack report to an email and =
=3D
send it to your boss. It should keep him (or her) busy for some time =
=3D
while you work on the database.
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