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IBM WebSphere® Application Server for Distributed Platforms and z/OS®: An Administrator’s Guide by Alan Beaubien, Yu Tang, Mike Casile, Michel Betancourt, Thomas Gissel, Mihaela Herescu, Dipak Patel, Keith McGuinnes, Radhike Iyer, Kyle Miller, Dave Draeger, Mike Everett, Ann Black

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Chapter 23. WebSphere Performance Tuning—z/OS

Objectives

This chapter covers the following concepts:

  • Identify the measurements and perspectives of performance

  • Optimal Testing Techniques

  • Tuning impacts of WebSphere Configurations and Topologies and z/OS subsystems

  • Impact of z/OS subsystems and Java

  • Using the monitoring tools for WebSphere and z/OS and knowing which to apply to different types of problems

Overview

The purpose of this chapter is to assist you in tuning the performance of WebSphere V5 on your z/OS system. The general focus will be on z/OS-specific items, as the previous chapter discussed more general information. We mention tuning here as performance is not something to be considered only as an afterthought or when the application is perceived ...

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