Oracle-L: RE: Live Webcast: The death of the buffer cache hit ratio

From: Gogala, Mladen <MGogala_at_oxhp.com>
Date: Mon, 05 Aug 2002 07:14:41 -0800
Message-ID: <F001.004AB3B0.20020805071441@fatcity.com>

15:00 GMT, is that 9:00 EST? I thought that whole world is using EST (GMT
-5 ) as

a standard reference zone.

-----Original Message-----

Sent: Saturday, August 03, 2002 3:18 PM
To: Multiple recipients of list ORACLE-L

Thanks Jared,

Drinks are on me ;-)

Jared.Still_at_radisys.com <mailto:Jared.Still_at_radisys.com> wrote:

Ok, everybody, let's show up in support of Anjo.

This should be a great presentation.

Sorry if someone has already posted this to the list today, I just haven't had time to read it yet today.

Jared

SearchEBusiness invites you to this Vendor Connection Webcast:

TOPIC: The death of the buffer cache hit ratio WHEN: Wednesday, August 7 at 11:00 a.m. EDT (15:00 GMT) SPEAKER: Anjo Kolk, Chief Oracle Technologist, Precise Software and

renowned Oracle performance author SPONSOR: Precise Software
PRE-REGISTER FOR THIS WEBCAST TODAY:
http://searchEBusiness.com/webcasts <http://searchEBusiness.com/webcasts>

About this Webcast --

---

Join Anjo Kolk, Chief Oracle Technologist at Precise Software and renowned Oracle performance author, for his views on Oracle performance tuning. Anjo will discuss how conventional tuning approaches rely too heavily on checking the buffer cache hit ratio. Many DBAs do their best to get a 99% or better hit ratio but discover that the performance of their database isn't really improving when the hit ratio gets better. Anjo will discuss these points and others:

If the hit ratio was tuned to 99% or better, why is end user response time still bad?
If tuning the hit ratio is not the answer to end-user response time, what is?
Why does a hit ratio do exactly the opposite of what you would think?
Logical I/Os -- The myths dispelled.
How to calculate the cost of a logical I/O.
How to use the response time model in Oracle to find performance problems.

If database performance is important to you, c

lick here to
pre-register for this Webcast: http://searchEBusiness.com/webcasts <http://searchEBusiness.com/webcasts>

Sponsored By: Precise Software Solutions
-------------***************************************************************

Precise Software Solutions (Nasdaq: PRSE) headquartered in Westwood, MA, delivers Precise i3, a comprehensive solution for Application Performance Management that focuses directly on the end-user experience and delivers a rapid return on technology investments. Precise i3 proactively detects and corrects the root causes of performance degradation before they affect response times. Visit us at http://www.precise.com <http://www.precise.com> .

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Author: Gogala, Mladen
INET: MGogala_at_oxhp.com

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