RE: Heisenberg and measurement intrusion....

As I think someone else noted, Heisenberg's uncertainty principle
related to the location of quantum particles at a specific point in
time.  Your participant was thinking of Schroedinger's cat.  Anyway, his
point is correct to a certain extent. You need to choose monitoring
tools that will have minimal effect on the system being monitored.
Oracle has a fairly extensive suite of tools for monitoring performance
included in the software from about 8i on up, and they are pretty good
about keeping the impact small.

-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Ted Coyle
Sent: Tuesday, July 31, 2007 2:40 PM
To: 'oracle-l'
Subject: Heisenberg and measurement intrusion....

I'm on an Oracle performance project and a project participant made a
statement regarding measurement intrusion.

Is the statement below accurate?
"So the Heisenberg uncertainty principle mandates we run without
monitoring
as a baseline."

I responded with a wikipedia link which I'll send later, but I'd like to
get
opinions first.  :)

Regards,
Ted

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