Performance Impact of Upgrading a Data Warehouse Application From AIX 5.2 to AIX 5.3 With SMT


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Source: IBM
Date: January 2008
Type: White Paper
Rating: (0)

Overview: Many customers are running a data warehouse (DSS) application on IBM pSeries servers under AIX 5.2 and are investigating the possible benefits of an upgrade to AIX 5.3. In this context the question is raised how much additional compute capacity will be available after a future upgrade to AIX 5.3. The answer to this question is important for an optimized server sizing. AIX 5.3 provides, besides many other improvements over the previous release, the support of Simultaneous Multithreading (SMT). This paper illustrates the performance improvement observed by upgrading a DSS database server from AIX 5.2 to AIX 5.3.

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