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Subsystem and Transaction Monitoring and Tuning with DB2 11 for z/OS by Yasuhiro Ohmori, Cathy Drummond, Adrian Burke, Felipe Bortoletto, Paolo Bruni

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Preface
This IBM® Redbooks® publication discusses in detail the facilities of IBM DB2® for IBM z/OS®, which allow complete monitoring of a DB2 environment. It focuses on the use of the DB2 instrumentation facility component (IFC) to provide monitoring of DB2 data and events, and includes suggestions for related tuning.
We discuss the collection of statistics for the verification of performance of the various components of the DB2 system and accounting for tracking the behavior of the applications.
We have intentionally omitted considerations for query optimization; they are worth a separate document.
Use this book to activate the right traces to help you monitor the performance of your DB2 system and to tune the various aspects of subsystem ...

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