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DB2 9 self-tuning memory management

Manage your business, not your database

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Level: Intermediate

Paul Read (paul_read@uk.ibm.com), Product Introduction Manager, IBM 
Eva Angelika Billich (bch@de.ibm.com), Senior DB2 Consultant for Strategic IBM Business Partners in Europe, Middle East, and Africa, IBM

30 Nov 2006

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Starting in IBM® DB2® 9, a new memory-tuning feature, self-tuning memory management, simplifies the task of memory configuration by automatically setting values for several memory configuration parameters. When enabled, the memory tuner dynamically distributes available memory resources among several memory consumers, including sorts, the package cache, the lock list, and buffer pools. In this tutorial, walk through a series of exercises to understand and learn how to administer this new feature.

Objectives

Familiarize you with concepts and capabilities of self tuning in DB2 9, such as self-tuning memory overview and logon, self-tuning memory and SORTHEAP, self-tuning memory and PCKCACHESZ, self-tuning memory and LOCKLIST, and self-tuning memory and health checking.

Prerequisites

None


System requirements

To run the examples in this tutorial, you need the following installed on your machine:

DB2 9 Express-C is available from the DB2 9 Data Server link above. See the tutorial "DB2 XML evaluation guide (developerWorks, June 2006) for steps on installing DB2. Unless the DB2 configuration is altered, then DB2 will automatically start after installation.

Use the samples scripts and data provided in the stmm_zipped.zip file, included in the tutorial, to demonstrate the concepts in this tutorial. Extract the contents into a subdirectory called stmm_scripts ( C:\stmm_scripts or home/userid/stmm_scripts, for example). This directory will be referred to simply as stmm_scripts throughout the tutorial. This tutorial assumes that you have used the default directories for the DB2 installation and all the DB2 exercises are performed by a database administrator id.



Formats

html, pdf


Tutorial overview

The exercises in this tutorial enable you to work with the DB2 self-tuning memory feature and to have available memory resources dynamically distributed among several memory consumers, including sorts, the package cache, the lock list, and buffer pools.

They have been developed to demonstrate one or more tasks found within each of the areas.

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