IBM DB2 Enterprise 9 performance with POWER5+ and AIX 5L multipage support

Exploit 64KB page support

From the developerWorks archives

Sunil Kamath and Punit Shah

Date archived: January 10, 2017 | First published: June 08, 2006

Learn how IBM® DB2® 9 for Linux®, UNIX®, and Windows® (DB2) exploits multiple page sizes. With the introduction of the POWER5+™ processor architecture, the IBM AIX 5L™ operating system added support for a new 64-kilobyte page with properties that are similar to the current default 4-kilobyte pages. In addition, AIX 5L Version 5.3 TL04 also introduced a new 16-gigabyte huge-page feature for this hardware architecture. DB2 9 automatically exploits the 64-kilobyte pages to deliver high performance for database applications on this platform. In addition, DB2 also supports the enablement of 16-gigabyte huge pages.

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