Using Discontiguous Shared Segments and XIP2 Filesystems With Oracle Database 10g on Linux for IBM System z

An IBM Redbooks publication

Note: This is publication is now archived. For reference only.

Published 30 June 2006

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ISBN-10: 0738495514
ISBN-13: 9780738495514
IBM Form #: SG24-7285-00
(86 pages)

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Authors: Lydia Parziale, Bruce Frank, Tony Noto, Barton Robinson, Tom Russell


Linux on IBM System z offers many advantages to customers who rely on IBM mainframe systems to run their businesses. Linux on IBM System z takes advantage of the qualities of service in the IBM System z hardware and in z/VM - making it a robust industrial strength Linux. This provides an excellent platform for consolidating Oracle databases that exist in your enterprise.

This IBM Redbooks publication describes our experiences in boosting performance and reducing memory requirements by using discontiguous saved segments (DCSS) and the execute in place (XIP2) filesystem technology.

Table of contents

Chapter 1. DCSS and XIP2 overview
Chapter 2. Putting the SNMP daemon into a DCSS
Chapter 3. Using DCSS for Oracle
Chapter 4. DCSS measurements
Appendix A. ESALPS
Appendix B. Scripts used to set up DCSS

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