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Expert Cube Development with SSAS Multidimensional Models

You're reading from Expert Cube Development with SSAS Multidimensional Models

Product type Book

Published in Feb 2014

Publisher Packt

ISBN-13 9781849689908

Pages 402 pages

Edition 1st Edition

Languages

Concepts

Business Intelligence

Table of Contents (19) Chapters

Expert Cube Development with SSAS Multidimensional Models

Credits

About the Authors

About the Reviewers

www.PacktPub.com

Preface

1. Designing the Data Warehouse for Analysis Services

2. Building Basic Dimensions and Cubes

3. Designing More Complex Dimensions

4. Measures and Measure Groups

5. Handling Transactional-Level Data

6. Adding Calculations to the Cube

7. Adding Currency Conversion

8. Query Performance Tuning

9. Securing the Cube

10. Going in Production

11. Monitoring Cube Performance and Usage

DAX Query Support

Index

SSAS Data Directory maintenance

By default, all of the files used by Analysis Services to store MOLAP data are stored in the Analysis Services data directory. The location of this directory is set up during installation, and can be changed by setting the value of the DataDir server property.

As with any other type of file handled by Windows, the files in the Analysis Services data directory are prone to fragmentation. During processing, many files are created, written, and deleted. If the disk is very fragmented, these files may be split across different portions of the disk, slowing down access to them.

A regular defragmentation of the drive on which the data directory exists will improve the overall speed of the disk subsystem, which will of course have benefits for Analysis Services query and processing performance. As a result, we suggest regular disk defragmentation of the Analysis Services data directory's drive as part of the server's maintenance plan, making sure of course that it...

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